20313840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1597}}^1$

素因数の和:1666

約数の個数: 80

約数和(自身を含む): 64201248

約数和(自身を除く): 43887408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 1597, 2120, 2544, 3180, 3194, 4240, 4791, 6360, 6388, 7985, 9582, 12720, 12776, 15970, 19164, 23955, 25552, 31940, 38328, 47910, 63880, 76656, 84641, 95820, 127760, 169282, 191640, 253923, 338564, 383280, 423205, 507846, 677128, 846410, 1015692, 1269615, 1354256, 1692820, 2031384, 2539230, 3385640, 4062768, 5078460, 6771280, 10156920, 20313840]

約数ペア:

[(1, 20313840), (2, 10156920), (3, 6771280), (4, 5078460), (5, 4062768), (6, 3385640), (8, 2539230), (10, 2031384), (12, 1692820), (15, 1354256), (16, 1269615), (20, 1015692), (24, 846410), (30, 677128), (40, 507846), (48, 423205), (53, 383280), (60, 338564), (80, 253923), (106, 191640), (120, 169282), (159, 127760), (212, 95820), (240, 84641), (265, 76656), (318, 63880), (424, 47910), (530, 38328), (636, 31940), (795, 25552), (848, 23955), (1060, 19164), (1272, 15970), (1590, 12776), (1597, 12720), (2120, 9582), (2544, 7985), (3180, 6388), (3194, 6360), (4240, 4791)]