20276278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 34953120

約数和(自身を除く): 14676842

約数列:

[1, 2, 11, 22, 29, 58, 61, 122, 319, 521, 638, 671, 1042, 1342, 1769, 3538, 5731, 11462, 15109, 19459, 30218, 31781, 38918, 63562, 166199, 332398, 349591, 699182, 921649, 1843298, 10138139, 20276278]

約数ペア:

[(1, 20276278), (2, 10138139), (11, 1843298), (22, 921649), (29, 699182), (58, 349591), (61, 332398), (122, 166199), (319, 63562), (521, 38918), (638, 31781), (671, 30218), (1042, 19459), (1342, 15109), (1769, 11462), (3538, 5731)]