20715331

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{977}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 25631424

約数和(自身を除く): 4916093

約数列:

[1, 7, 13, 91, 233, 977, 1631, 3029, 6839, 12701, 21203, 88907, 227641, 1593487, 2959333, 20715331]

約数ペア:

[(1, 20715331), (7, 2959333), (13, 1593487), (91, 227641), (233, 88907), (977, 21203), (1631, 12701), (3029, 6839)]