20872826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{3359}}^1$

素因数の和:3613

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 12995974

約数列:

[1, 2, 13, 26, 239, 478, 3107, 3359, 6214, 6718, 43667, 87334, 802801, 1605602, 10436413, 20872826]

約数ペア:

[(1, 20872826), (2, 10436413), (13, 1605602), (26, 802801), (239, 87334), (478, 43667), (3107, 6718), (3359, 6214)]