20422345840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:372

約数の個数: 320

約数和(自身を含む): 55278961920

約数和(自身を除く): 34856616080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 53, 65, 80, 89, 92, 104, 106, 115, 130, 178, 181, 184, 208, 212, 230, 260, 265, 299, 356, 362, 368, 424, 445, 460, 520, 530, 598, 689, 712, 724, 848, 890, 905, 920, 1040, 1060, 1157, 1196, 1219, 1378, 1424, 1448, 1495, 1780, 1810, 1840, 2047, 2120, 2314, 2353, 2392, 2438, 2756, 2896, 2990, 3445, 3560, 3620, 4094, 4163, 4240, 4628, 4706, 4717, 4784, 4876, 5512, 5785, 5980, 6095, 6890, 7120, 7240, 8188, 8326, 9256, 9412, 9434, 9593, 9752, 10235, 11024, 11570, 11765, 11960, 12190, 13780, 14480, 15847, 16109, 16376, 16652, 18512, 18824, 18868, 19186, 19504, 20470, 20815, 23140, 23530, 23585, 23920, 24380, 26611, 27560, 31694, 32218, 32752, 33304, 37648, 37736, 38372, 40940, 41630, 46280, 47060, 47170, 47965, 48760, 53222, 54119, 55120, 61321, 63388, 64436, 66608, 75472, 76744, 79235, 80545, 81880, 83260, 92560, 94120, 94340, 95930, 97520, 106444, 108238, 108491, 122642, 124709, 126776, 128872, 133055, 153488, 158470, 161090, 163760, 166520, 188240, 188680, 191860, 209417, 212888, 216476, 216982, 220639, 245284, 249418, 253552, 257744, 266110, 270595, 306605, 316940, 322180, 333040, 370507, 377360, 383720, 418834, 425776, 432952, 433964, 441278, 490568, 498836, 532220, 541190, 542455, 613210, 623545, 633880, 644360, 741014, 767440, 837668, 853777, 865904, 867928, 882556, 981136, 997672, 1047085, 1064440, 1082380, 1084910, 1103195, 1226420, 1247090, 1267760, 1288720, 1410383, 1482028, 1675336, 1707554, 1735856, 1765112, 1852535, 1995344, 2094170, 2128880, 2164760, 2169820, 2206390, 2452840, 2494180, 2820766, 2868307, 2964056, 3350672, 3415108, 3530224, 3705070, 4188340, 4268885, 4329520, 4339640, 4412780, 4816591, 4905680, 4988360, 5641532, 5736614, 5928112, 6830216, 7051915, 7410140, 8376680, 8537770, 8679280, 8825560, 9633182, 9976720, 11099101, 11283064, 11473228, 13660432, 14103830, 14341535, 14820280, 16753360, 17075540, 17651120, 19266364, 19636871, 22198202, 22566128, 22946456, 24082955, 28207660, 28683070, 29640560, 34151080, 38532728, 39273742, 44396404, 45892912, 48165910, 55495505, 56415320, 57366140, 68302160, 77065456, 78547484, 88792808, 96331820, 98184355, 110991010, 112830640, 114732280, 157094968, 177585616, 192663640, 196368710, 221982020, 229464560, 255279323, 314189936, 385327280, 392737420, 443964040, 510558646, 785474840, 887928080, 1021117292, 1276396615, 1570949680, 2042234584, 2552793230, 4084469168, 5105586460, 10211172920, 20422345840]

約数ペア:

[(1, 20422345840), (2, 10211172920), (4, 5105586460), (5, 4084469168), (8, 2552793230), (10, 2042234584), (13, 1570949680), (16, 1276396615), (20, 1021117292), (23, 887928080), (26, 785474840), (40, 510558646), (46, 443964040), (52, 392737420), (53, 385327280), (65, 314189936), (80, 255279323), (89, 229464560), (92, 221982020), (104, 196368710), (106, 192663640), (115, 177585616), (130, 157094968), (178, 114732280), (181, 112830640), (184, 110991010), (208, 98184355), (212, 96331820), (230, 88792808), (260, 78547484), (265, 77065456), (299, 68302160), (356, 57366140), (362, 56415320), (368, 55495505), (424, 48165910), (445, 45892912), (460, 44396404), (520, 39273742), (530, 38532728), (598, 34151080), (689, 29640560), (712, 28683070), (724, 28207660), (848, 24082955), (890, 22946456), (905, 22566128), (920, 22198202), (1040, 19636871), (1060, 19266364), (1157, 17651120), (1196, 17075540), (1219, 16753360), (1378, 14820280), (1424, 14341535), (1448, 14103830), (1495, 13660432), (1780, 11473228), (1810, 11283064), (1840, 11099101), (2047, 9976720), (2120, 9633182), (2314, 8825560), (2353, 8679280), (2392, 8537770), (2438, 8376680), (2756, 7410140), (2896, 7051915), (2990, 6830216), (3445, 5928112), (3560, 5736614), (3620, 5641532), (4094, 4988360), (4163, 4905680), (4240, 4816591), (4628, 4412780), (4706, 4339640), (4717, 4329520), (4784, 4268885), (4876, 4188340), (5512, 3705070), (5785, 3530224), (5980, 3415108), (6095, 3350672), (6890, 2964056), (7120, 2868307), (7240, 2820766), (8188, 2494180), (8326, 2452840), (9256, 2206390), (9412, 2169820), (9434, 2164760), (9593, 2128880), (9752, 2094170), (10235, 1995344), (11024, 1852535), (11570, 1765112), (11765, 1735856), (11960, 1707554), (12190, 1675336), (13780, 1482028), (14480, 1410383), (15847, 1288720), (16109, 1267760), (16376, 1247090), (16652, 1226420), (18512, 1103195), (18824, 1084910), (18868, 1082380), (19186, 1064440), (19504, 1047085), (20470, 997672), (20815, 981136), (23140, 882556), (23530, 867928), (23585, 865904), (23920, 853777), (24380, 837668), (26611, 767440), (27560, 741014), (31694, 644360), (32218, 633880), (32752, 623545), (33304, 613210), (37648, 542455), (37736, 541190), (38372, 532220), (40940, 498836), (41630, 490568), (46280, 441278), (47060, 433964), (47170, 432952), (47965, 425776), (48760, 418834), (53222, 383720), (54119, 377360), (55120, 370507), (61321, 333040), (63388, 322180), (64436, 316940), (66608, 306605), (75472, 270595), (76744, 266110), (79235, 257744), (80545, 253552), (81880, 249418), (83260, 245284), (92560, 220639), (94120, 216982), (94340, 216476), (95930, 212888), (97520, 209417), (106444, 191860), (108238, 188680), (108491, 188240), (122642, 166520), (124709, 163760), (126776, 161090), (128872, 158470), (133055, 153488)]