20655154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{1259}}^1$

素因数の和:1905

約数の個数: 16

約数和(自身を含む): 33445440

約数和(自身を除く): 12790286

約数列:

[1, 2, 13, 26, 631, 1259, 1262, 2518, 8203, 16367, 16406, 32734, 794429, 1588858, 10327577, 20655154]

約数ペア:

[(1, 20655154), (2, 10327577), (13, 1588858), (26, 794429), (631, 32734), (1259, 16406), (1262, 16367), (2518, 8203)]