20520766

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24029}}^1$

素因数の和:24099

約数の個数: 16

約数和(自身を含む): 35756640

約数和(自身を除く): 15235874

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 24029, 48058, 168203, 336406, 1465769, 2931538, 10260383, 20520766]

約数ペア:

[(1, 20520766), (2, 10260383), (7, 2931538), (14, 1465769), (61, 336406), (122, 168203), (427, 48058), (854, 24029)]