20808892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13799}}^1$

素因数の和:13845

約数の個数: 24

約数和(自身を含む): 40572000

約数和(自身を除く): 19763108

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 13799, 27598, 55196, 179387, 358774, 400171, 717548, 800342, 1600684, 5202223, 10404446, 20808892]

約数ペア:

[(1, 20808892), (2, 10404446), (4, 5202223), (13, 1600684), (26, 800342), (29, 717548), (52, 400171), (58, 358774), (116, 179387), (377, 55196), (754, 27598), (1508, 13799)]