20218842511

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{11152147}}^1$

素因数の和:11152198

約数の個数: 12

約数和(自身を含む): 24155552568

約数和(自身を除く): 3936710057

約数列:

[1, 7, 37, 49, 259, 1813, 11152147, 78065029, 412629439, 546455203, 2888406073, 20218842511]

約数ペア:

[(1, 20218842511), (7, 2888406073), (37, 546455203), (49, 412629439), (259, 78065029), (1813, 11152147)]