20103848

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 38556000

約数和(自身を除く): 18452152

約数列:

[1, 2, 4, 8, 101, 139, 179, 202, 278, 358, 404, 556, 716, 808, 1112, 1432, 14039, 18079, 24881, 28078, 36158, 49762, 56156, 72316, 99524, 112312, 144632, 199048, 2512981, 5025962, 10051924, 20103848]

約数ペア:

[(1, 20103848), (2, 10051924), (4, 5025962), (8, 2512981), (101, 199048), (139, 144632), (179, 112312), (202, 99524), (278, 72316), (358, 56156), (404, 49762), (556, 36158), (716, 28078), (808, 24881), (1112, 18079), (1432, 14039)]