20772997

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{769}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 4507643

約数列:

[1, 7, 17, 119, 227, 769, 1589, 3859, 5383, 13073, 27013, 91511, 174563, 1221941, 2967571, 20772997]

約数ペア:

[(1, 20772997), (7, 2967571), (17, 1221941), (119, 174563), (227, 91511), (769, 27013), (1589, 13073), (3859, 5383)]