20485514280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{863}}^1$

素因数の和:1269

約数の個数: 384

約数和(自身を含む): 78292500480

約数和(自身を除く): 57806986200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 245, 264, 280, 294, 308, 330, 367, 385, 392, 420, 440, 462, 490, 539, 588, 616, 660, 734, 735, 770, 840, 863, 924, 980, 1078, 1101, 1155, 1176, 1320, 1468, 1470, 1540, 1617, 1726, 1835, 1848, 1960, 2156, 2202, 2310, 2569, 2589, 2695, 2936, 2940, 3080, 3234, 3452, 3670, 4037, 4312, 4315, 4404, 4620, 5138, 5178, 5390, 5505, 5880, 6041, 6468, 6904, 7340, 7707, 8074, 8085, 8630, 8808, 9240, 9493, 10276, 10356, 10780, 11010, 12082, 12111, 12845, 12936, 12945, 14680, 15414, 16148, 16170, 17260, 17983, 18123, 18986, 20185, 20552, 20712, 21560, 22020, 24164, 24222, 25690, 25890, 28259, 28479, 30205, 30828, 32296, 32340, 34520, 35966, 36246, 37972, 38535, 40370, 42287, 44040, 47465, 48328, 48444, 51380, 51780, 53949, 56518, 56958, 60410, 60555, 61656, 64680, 66451, 71932, 72492, 75944, 77070, 80740, 84574, 84777, 89915, 90615, 94930, 96888, 102760, 103560, 107898, 113036, 113916, 120820, 121110, 126861, 132902, 141295, 142395, 143864, 144984, 154140, 161480, 169148, 169554, 179830, 181230, 189860, 197813, 199353, 211435, 215796, 226072, 227832, 241640, 242220, 253722, 265804, 269745, 282590, 284790, 308280, 316721, 332255, 338296, 339108, 359660, 362460, 379720, 395626, 398706, 422870, 423885, 431592, 465157, 484440, 507444, 531608, 539490, 565180, 569580, 593439, 633442, 634305, 664510, 678216, 719320, 724920, 791252, 797412, 845740, 847770, 930314, 950163, 989065, 996765, 1014888, 1078980, 1130360, 1139160, 1186878, 1266884, 1268610, 1329020, 1395471, 1582504, 1583605, 1594824, 1691480, 1695540, 1860628, 1900326, 1978130, 1993530, 2157960, 2217047, 2325785, 2373756, 2533768, 2537220, 2658040, 2790942, 2967195, 3167210, 3391080, 3483931, 3721256, 3800652, 3956260, 3987060, 4434094, 4651570, 4747512, 4750815, 5074440, 5581884, 5934390, 6334420, 6651141, 6967862, 6977355, 7601304, 7912520, 7974120, 8868188, 9303140, 9501630, 10451793, 11085235, 11163768, 11868780, 12668840, 13302282, 13935724, 13954710, 15519329, 17419655, 17736376, 18606280, 19003260, 20903586, 22170470, 23737560, 24387517, 26604564, 27871448, 27909420, 31038658, 33255705, 34839310, 38006520, 41807172, 44340940, 46557987, 48775034, 52258965, 53209128, 55818840, 62077316, 66511410, 69678620, 73162551, 77596645, 83614344, 88681880, 93115974, 97550068, 104517930, 121937585, 124154632, 133022820, 139357240, 146325102, 155193290, 170712619, 186231948, 195100136, 209035860, 232789935, 243875170, 266045640, 292650204, 310386580, 341425238, 365812755, 372463896, 418071720, 465579870, 487750340, 512137857, 585300408, 620773160, 682850476, 731625510, 853563095, 931159740, 975500680, 1024275714, 1365700952, 1463251020, 1707126190, 1862319480, 2048551428, 2560689285, 2926502040, 3414252380, 4097102856, 5121378570, 6828504760, 10242757140, 20485514280]

約数ペア:

[(1, 20485514280), (2, 10242757140), (3, 6828504760), (4, 5121378570), (5, 4097102856), (6, 3414252380), (7, 2926502040), (8, 2560689285), (10, 2048551428), (11, 1862319480), (12, 1707126190), (14, 1463251020), (15, 1365700952), (20, 1024275714), (21, 975500680), (22, 931159740), (24, 853563095), (28, 731625510), (30, 682850476), (33, 620773160), (35, 585300408), (40, 512137857), (42, 487750340), (44, 465579870), (49, 418071720), (55, 372463896), (56, 365812755), (60, 341425238), (66, 310386580), (70, 292650204), (77, 266045640), (84, 243875170), (88, 232789935), (98, 209035860), (105, 195100136), (110, 186231948), (120, 170712619), (132, 155193290), (140, 146325102), (147, 139357240), (154, 133022820), (165, 124154632), (168, 121937585), (196, 104517930), (210, 97550068), (220, 93115974), (231, 88681880), (245, 83614344), (264, 77596645), (280, 73162551), (294, 69678620), (308, 66511410), (330, 62077316), (367, 55818840), (385, 53209128), (392, 52258965), (420, 48775034), (440, 46557987), (462, 44340940), (490, 41807172), (539, 38006520), (588, 34839310), (616, 33255705), (660, 31038658), (734, 27909420), (735, 27871448), (770, 26604564), (840, 24387517), (863, 23737560), (924, 22170470), (980, 20903586), (1078, 19003260), (1101, 18606280), (1155, 17736376), (1176, 17419655), (1320, 15519329), (1468, 13954710), (1470, 13935724), (1540, 13302282), (1617, 12668840), (1726, 11868780), (1835, 11163768), (1848, 11085235), (1960, 10451793), (2156, 9501630), (2202, 9303140), (2310, 8868188), (2569, 7974120), (2589, 7912520), (2695, 7601304), (2936, 6977355), (2940, 6967862), (3080, 6651141), (3234, 6334420), (3452, 5934390), (3670, 5581884), (4037, 5074440), (4312, 4750815), (4315, 4747512), (4404, 4651570), (4620, 4434094), (5138, 3987060), (5178, 3956260), (5390, 3800652), (5505, 3721256), (5880, 3483931), (6041, 3391080), (6468, 3167210), (6904, 2967195), (7340, 2790942), (7707, 2658040), (8074, 2537220), (8085, 2533768), (8630, 2373756), (8808, 2325785), (9240, 2217047), (9493, 2157960), (10276, 1993530), (10356, 1978130), (10780, 1900326), (11010, 1860628), (12082, 1695540), (12111, 1691480), (12845, 1594824), (12936, 1583605), (12945, 1582504), (14680, 1395471), (15414, 1329020), (16148, 1268610), (16170, 1266884), (17260, 1186878), (17983, 1139160), (18123, 1130360), (18986, 1078980), (20185, 1014888), (20552, 996765), (20712, 989065), (21560, 950163), (22020, 930314), (24164, 847770), (24222, 845740), (25690, 797412), (25890, 791252), (28259, 724920), (28479, 719320), (30205, 678216), (30828, 664510), (32296, 634305), (32340, 633442), (34520, 593439), (35966, 569580), (36246, 565180), (37972, 539490), (38535, 531608), (40370, 507444), (42287, 484440), (44040, 465157), (47465, 431592), (48328, 423885), (48444, 422870), (51380, 398706), (51780, 395626), (53949, 379720), (56518, 362460), (56958, 359660), (60410, 339108), (60555, 338296), (61656, 332255), (64680, 316721), (66451, 308280), (71932, 284790), (72492, 282590), (75944, 269745), (77070, 265804), (80740, 253722), (84574, 242220), (84777, 241640), (89915, 227832), (90615, 226072), (94930, 215796), (96888, 211435), (102760, 199353), (103560, 197813), (107898, 189860), (113036, 181230), (113916, 179830), (120820, 169554), (121110, 169148), (126861, 161480), (132902, 154140), (141295, 144984), (142395, 143864)]