20074747

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 25548768

約数和(自身を除く): 5474021

約数列:

[1, 7, 11, 77, 121, 137, 173, 847, 959, 1211, 1507, 1903, 10549, 13321, 16577, 20933, 23701, 116039, 146531, 165907, 260711, 1824977, 2867821, 20074747]

約数ペア:

[(1, 20074747), (7, 2867821), (11, 1824977), (77, 260711), (121, 165907), (137, 146531), (173, 116039), (847, 23701), (959, 20933), (1211, 16577), (1507, 13321), (1903, 10549)]