20178690856

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{53666731}}^1$

素因数の和:53666784

約数の個数: 16

約数和(自身を含む): 38640047040

約数和(自身を除く): 18461356184

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 53666731, 107333462, 214666924, 429333848, 2522336357, 5044672714, 10089345428, 20178690856]

約数ペア:

[(1, 20178690856), (2, 10089345428), (4, 5044672714), (8, 2522336357), (47, 429333848), (94, 214666924), (188, 107333462), (376, 53666731)]