20123892481

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1033001}}^1$

素因数の和:1033053

約数の個数: 24

約数和(自身を含む): 26378739072

約数和(自身を除く): 6254846591

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1771, 2783, 19481, 1033001, 7231007, 11363011, 23759023, 79541077, 124993121, 166313161, 261349253, 874951847, 1829444771, 2874841783, 20123892481]

約数ペア:

[(1, 20123892481), (7, 2874841783), (11, 1829444771), (23, 874951847), (77, 261349253), (121, 166313161), (161, 124993121), (253, 79541077), (847, 23759023), (1771, 11363011), (2783, 7231007), (19481, 1033001)]