20120899183

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{1151}}^1\times {\mathrm{20639}}^1$

素因数の和:21819

約数の個数: 24

約数和(自身を含む): 25299025920

約数和(自身を除く): 5178126737

約数列:

[1, 7, 11, 77, 121, 847, 1151, 8057, 12661, 20639, 88627, 139271, 144473, 227029, 974897, 1589203, 2497319, 17481233, 23755489, 166288423, 261310379, 1829172653, 2874414169, 20120899183]

約数ペア:

[(1, 20120899183), (7, 2874414169), (11, 1829172653), (77, 261310379), (121, 166288423), (847, 23755489), (1151, 17481233), (8057, 2497319), (12661, 1589203), (20639, 974897), (88627, 227029), (139271, 144473)]