20349938360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12408499}}^1$

素因数の和:12408551

約数の個数: 32

約数和(自身を含む): 46904130000

約数和(自身を除く): 26554191640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12408499, 24816998, 49633996, 62042495, 99267992, 124084990, 248169980, 496339960, 508748459, 1017496918, 2034993836, 2543742295, 4069987672, 5087484590, 10174969180, 20349938360]

約数ペア:

[(1, 20349938360), (2, 10174969180), (4, 5087484590), (5, 4069987672), (8, 2543742295), (10, 2034993836), (20, 1017496918), (40, 508748459), (41, 496339960), (82, 248169980), (164, 124084990), (205, 99267992), (328, 62042495), (410, 49633996), (820, 24816998), (1640, 12408499)]