20454367920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2953}}^1$

素因数の和:3033

約数の個数: 480

約数和(自身を含む): 80174868480

約数和(自身を除く): 59720500560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 48, 49, 56, 57, 60, 62, 70, 76, 80, 84, 93, 95, 98, 105, 112, 114, 120, 124, 133, 140, 147, 152, 155, 168, 186, 190, 196, 210, 217, 228, 240, 245, 248, 266, 280, 285, 294, 304, 310, 336, 372, 380, 392, 399, 420, 434, 456, 465, 490, 496, 532, 560, 570, 588, 589, 620, 651, 665, 735, 744, 760, 784, 798, 840, 868, 912, 930, 931, 980, 1064, 1085, 1140, 1176, 1178, 1240, 1302, 1330, 1470, 1488, 1519, 1520, 1596, 1680, 1736, 1767, 1860, 1862, 1960, 1995, 2128, 2170, 2280, 2352, 2356, 2480, 2604, 2660, 2793, 2940, 2945, 2953, 3038, 3192, 3255, 3472, 3534, 3720, 3724, 3920, 3990, 4123, 4340, 4557, 4560, 4655, 4712, 5208, 5320, 5586, 5880, 5890, 5906, 6076, 6384, 6510, 7068, 7440, 7448, 7595, 7980, 8246, 8680, 8835, 8859, 9114, 9310, 9424, 10416, 10640, 11172, 11760, 11780, 11812, 12152, 12369, 13020, 13965, 14136, 14765, 14896, 15190, 15960, 16492, 17360, 17670, 17718, 18228, 18620, 20615, 20671, 22344, 22785, 23560, 23624, 24304, 24738, 26040, 27930, 28272, 28861, 29530, 30380, 31920, 32984, 35340, 35436, 36456, 37240, 41230, 41342, 44295, 44688, 45570, 47120, 47248, 49476, 52080, 55860, 56107, 57722, 59060, 60760, 61845, 62013, 65968, 70680, 70872, 72912, 74480, 82460, 82684, 86583, 88590, 91140, 91543, 98952, 103355, 111720, 112214, 115444, 118120, 121520, 123690, 124026, 141360, 141744, 144305, 144697, 164920, 165368, 168321, 173166, 177180, 182280, 183086, 197904, 206710, 223440, 224428, 230888, 236240, 247380, 248052, 274629, 280535, 288610, 289394, 310065, 329840, 330736, 336642, 346332, 354360, 364560, 366172, 392749, 413420, 432915, 434091, 448856, 457715, 461776, 494760, 496104, 549258, 561070, 577220, 578788, 620130, 640801, 673284, 692664, 708720, 723485, 732344, 785498, 826840, 841605, 865830, 868182, 897712, 915430, 989520, 992208, 1098516, 1122140, 1154440, 1157576, 1178247, 1240260, 1281602, 1346568, 1373145, 1385328, 1446970, 1464688, 1570996, 1653680, 1683210, 1731660, 1736364, 1739317, 1830860, 1922403, 1963745, 2170455, 2197032, 2244280, 2308880, 2315152, 2356494, 2480520, 2563204, 2693136, 2746290, 2749243, 2893940, 3141992, 3204005, 3366420, 3463320, 3472728, 3478634, 3661720, 3844806, 3927490, 4340910, 4394064, 4485607, 4488560, 4712988, 4961040, 5126408, 5217951, 5492580, 5498486, 5787880, 5891235, 6283984, 6408010, 6732840, 6926640, 6945456, 6957268, 7323440, 7689612, 7854980, 8247729, 8681820, 8696585, 8971214, 9425976, 9612015, 10252816, 10435902, 10985160, 10996972, 11575760, 11782470, 12175219, 12816020, 13456821, 13465680, 13746215, 13914536, 15379224, 15709960, 16495458, 17363640, 17393170, 17942428, 18851952, 19224030, 20871804, 21970320, 21993944, 22428035, 23564940, 24350438, 25632040, 26089755, 26913642, 27492430, 27829072, 30758448, 31419920, 32990916, 34727280, 34786340, 35884856, 36525657, 38448060, 41238645, 41743608, 43987888, 44856070, 47129880, 48700876, 51264080, 52179510, 53827284, 54984860, 60876095, 65981832, 67284105, 69572680, 71769712, 73051314, 76896120, 82477290, 83487216, 85226533, 89712140, 94259760, 97401752, 104359020, 107654568, 109969720, 121752190, 131963664, 134568210, 139145360, 146102628, 153792240, 164954580, 170453066, 179424280, 182628285, 194803504, 208718040, 215309136, 219939440, 243504380, 255679599, 269136420, 292205256, 329909160, 340906132, 358848560, 365256570, 417436080, 426132665, 487008760, 511359198, 538272840, 584410512, 659818320, 681812264, 730513140, 852265330, 974017520, 1022718396, 1076545680, 1278397995, 1363624528, 1461026280, 1704530660, 2045436792, 2556795990, 2922052560, 3409061320, 4090873584, 5113591980, 6818122640, 10227183960, 20454367920]

約数ペア:

[(1, 20454367920), (2, 10227183960), (3, 6818122640), (4, 5113591980), (5, 4090873584), (6, 3409061320), (7, 2922052560), (8, 2556795990), (10, 2045436792), (12, 1704530660), (14, 1461026280), (15, 1363624528), (16, 1278397995), (19, 1076545680), (20, 1022718396), (21, 974017520), (24, 852265330), (28, 730513140), (30, 681812264), (31, 659818320), (35, 584410512), (38, 538272840), (40, 511359198), (42, 487008760), (48, 426132665), (49, 417436080), (56, 365256570), (57, 358848560), (60, 340906132), (62, 329909160), (70, 292205256), (76, 269136420), (80, 255679599), (84, 243504380), (93, 219939440), (95, 215309136), (98, 208718040), (105, 194803504), (112, 182628285), (114, 179424280), (120, 170453066), (124, 164954580), (133, 153792240), (140, 146102628), (147, 139145360), (152, 134568210), (155, 131963664), (168, 121752190), (186, 109969720), (190, 107654568), (196, 104359020), (210, 97401752), (217, 94259760), (228, 89712140), (240, 85226533), (245, 83487216), (248, 82477290), (266, 76896120), (280, 73051314), (285, 71769712), (294, 69572680), (304, 67284105), (310, 65981832), (336, 60876095), (372, 54984860), (380, 53827284), (392, 52179510), (399, 51264080), (420, 48700876), (434, 47129880), (456, 44856070), (465, 43987888), (490, 41743608), (496, 41238645), (532, 38448060), (560, 36525657), (570, 35884856), (588, 34786340), (589, 34727280), (620, 32990916), (651, 31419920), (665, 30758448), (735, 27829072), (744, 27492430), (760, 26913642), (784, 26089755), (798, 25632040), (840, 24350438), (868, 23564940), (912, 22428035), (930, 21993944), (931, 21970320), (980, 20871804), (1064, 19224030), (1085, 18851952), (1140, 17942428), (1176, 17393170), (1178, 17363640), (1240, 16495458), (1302, 15709960), (1330, 15379224), (1470, 13914536), (1488, 13746215), (1519, 13465680), (1520, 13456821), (1596, 12816020), (1680, 12175219), (1736, 11782470), (1767, 11575760), (1860, 10996972), (1862, 10985160), (1960, 10435902), (1995, 10252816), (2128, 9612015), (2170, 9425976), (2280, 8971214), (2352, 8696585), (2356, 8681820), (2480, 8247729), (2604, 7854980), (2660, 7689612), (2793, 7323440), (2940, 6957268), (2945, 6945456), (2953, 6926640), (3038, 6732840), (3192, 6408010), (3255, 6283984), (3472, 5891235), (3534, 5787880), (3720, 5498486), (3724, 5492580), (3920, 5217951), (3990, 5126408), (4123, 4961040), (4340, 4712988), (4557, 4488560), (4560, 4485607), (4655, 4394064), (4712, 4340910), (5208, 3927490), (5320, 3844806), (5586, 3661720), (5880, 3478634), (5890, 3472728), (5906, 3463320), (6076, 3366420), (6384, 3204005), (6510, 3141992), (7068, 2893940), (7440, 2749243), (7448, 2746290), (7595, 2693136), (7980, 2563204), (8246, 2480520), (8680, 2356494), (8835, 2315152), (8859, 2308880), (9114, 2244280), (9310, 2197032), (9424, 2170455), (10416, 1963745), (10640, 1922403), (11172, 1830860), (11760, 1739317), (11780, 1736364), (11812, 1731660), (12152, 1683210), (12369, 1653680), (13020, 1570996), (13965, 1464688), (14136, 1446970), (14765, 1385328), (14896, 1373145), (15190, 1346568), (15960, 1281602), (16492, 1240260), (17360, 1178247), (17670, 1157576), (17718, 1154440), (18228, 1122140), (18620, 1098516), (20615, 992208), (20671, 989520), (22344, 915430), (22785, 897712), (23560, 868182), (23624, 865830), (24304, 841605), (24738, 826840), (26040, 785498), (27930, 732344), (28272, 723485), (28861, 708720), (29530, 692664), (30380, 673284), (31920, 640801), (32984, 620130), (35340, 578788), (35436, 577220), (36456, 561070), (37240, 549258), (41230, 496104), (41342, 494760), (44295, 461776), (44688, 457715), (45570, 448856), (47120, 434091), (47248, 432915), (49476, 413420), (52080, 392749), (55860, 366172), (56107, 364560), (57722, 354360), (59060, 346332), (60760, 336642), (61845, 330736), (62013, 329840), (65968, 310065), (70680, 289394), (70872, 288610), (72912, 280535), (74480, 274629), (82460, 248052), (82684, 247380), (86583, 236240), (88590, 230888), (91140, 224428), (91543, 223440), (98952, 206710), (103355, 197904), (111720, 183086), (112214, 182280), (115444, 177180), (118120, 173166), (121520, 168321), (123690, 165368), (124026, 164920), (141360, 144697), (141744, 144305)]