20196571792

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30787457}}^1$

素因数の和:30787506

約数の個数: 20

約数和(自身を含む): 40085270316

約数和(自身を除く): 19888698524

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30787457, 61574914, 123149828, 246299656, 492599312, 1262285737, 2524571474, 5049142948, 10098285896, 20196571792]

約数ペア:

[(1, 20196571792), (2, 10098285896), (4, 5049142948), (8, 2524571474), (16, 1262285737), (41, 492599312), (82, 246299656), (164, 123149828), (328, 61574914), (656, 30787457)]