20199208460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{54779}}^1$

素因数の和:55070

約数の個数: 48

約数和(自身を含む): 43070227200

約数和(自身を除く): 22871018740

約数列:

[1, 2, 4, 5, 10, 20, 103, 179, 206, 358, 412, 515, 716, 895, 1030, 1790, 2060, 3580, 18437, 36874, 54779, 73748, 92185, 109558, 184370, 219116, 273895, 368740, 547790, 1095580, 5642237, 9805441, 11284474, 19610882, 22568948, 28211185, 39221764, 49027205, 56422370, 98054410, 112844740, 196108820, 1009960423, 2019920846, 4039841692, 5049802115, 10099604230, 20199208460]

約数ペア:

[(1, 20199208460), (2, 10099604230), (4, 5049802115), (5, 4039841692), (10, 2019920846), (20, 1009960423), (103, 196108820), (179, 112844740), (206, 98054410), (358, 56422370), (412, 49027205), (515, 39221764), (716, 28211185), (895, 22568948), (1030, 19610882), (1790, 11284474), (2060, 9805441), (3580, 5642237), (18437, 1095580), (36874, 547790), (54779, 368740), (73748, 273895), (92185, 219116), (109558, 184370)]