16420285

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7691}}^1$

素因数の和:7764

約数の個数: 16

約数和(自身を含む): 22891392

約数和(自身を除く): 6471107

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 7691, 38455, 53837, 269185, 469151, 2345755, 3284057, 16420285]

約数ペア:

[(1, 16420285), (5, 3284057), (7, 2345755), (35, 469151), (61, 269185), (305, 53837), (427, 38455), (2135, 7691)]