20585929

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1901}}^1$

素因数の和:1945

約数の個数: 24

約数和(自身を含む): 27320328

約数和(自身を除く): 6734399

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 1901, 10829, 13307, 24713, 32317, 93149, 172991, 226219, 420121, 1210937, 1583533, 2940847, 20585929]

約数ペア:

[(1, 20585929), (7, 2940847), (13, 1583533), (17, 1210937), (49, 420121), (91, 226219), (119, 172991), (221, 93149), (637, 32317), (833, 24713), (1547, 13307), (1901, 10829)]