20403811728

素因数分解:

$2^4\times 3^2\times {\mathrm{131}}^1\times {\mathrm{487}}^1\times {\mathrm{2221}}^1$

素因数の和:2853

約数の個数: 120

約数和(自身を含む): 57682337856

約数和(自身を除く): 37278526128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 131, 144, 262, 393, 487, 524, 786, 974, 1048, 1179, 1461, 1572, 1948, 2096, 2221, 2358, 2922, 3144, 3896, 4383, 4442, 4716, 5844, 6288, 6663, 7792, 8766, 8884, 9432, 11688, 13326, 17532, 17768, 18864, 19989, 23376, 26652, 35064, 35536, 39978, 53304, 63797, 70128, 79956, 106608, 127594, 159912, 191391, 255188, 290951, 319824, 382782, 510376, 574173, 581902, 765564, 872853, 1020752, 1081627, 1148346, 1163804, 1531128, 1745706, 2163254, 2296692, 2327608, 2618559, 3062256, 3244881, 3491412, 4326508, 4593384, 4655216, 5237118, 6489762, 6982824, 8653016, 9186768, 9734643, 10474236, 12979524, 13965648, 17306032, 19469286, 20948472, 25959048, 38938572, 41896944, 51918096, 77877144, 141693137, 155754288, 283386274, 425079411, 566772548, 850158822, 1133545096, 1275238233, 1700317644, 2267090192, 2550476466, 3400635288, 5100952932, 6801270576, 10201905864, 20403811728]

約数ペア:

[(1, 20403811728), (2, 10201905864), (3, 6801270576), (4, 5100952932), (6, 3400635288), (8, 2550476466), (9, 2267090192), (12, 1700317644), (16, 1275238233), (18, 1133545096), (24, 850158822), (36, 566772548), (48, 425079411), (72, 283386274), (131, 155754288), (144, 141693137), (262, 77877144), (393, 51918096), (487, 41896944), (524, 38938572), (786, 25959048), (974, 20948472), (1048, 19469286), (1179, 17306032), (1461, 13965648), (1572, 12979524), (1948, 10474236), (2096, 9734643), (2221, 9186768), (2358, 8653016), (2922, 6982824), (3144, 6489762), (3896, 5237118), (4383, 4655216), (4442, 4593384), (4716, 4326508), (5844, 3491412), (6288, 3244881), (6663, 3062256), (7792, 2618559), (8766, 2327608), (8884, 2296692), (9432, 2163254), (11688, 1745706), (13326, 1531128), (17532, 1163804), (17768, 1148346), (18864, 1081627), (19989, 1020752), (23376, 872853), (26652, 765564), (35064, 581902), (35536, 574173), (39978, 510376), (53304, 382782), (63797, 319824), (70128, 290951), (79956, 255188), (106608, 191391), (127594, 159912)]