20349968

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8423}}^1$

素因数の和:8582

約数の個数: 20

約数和(自身を含む): 39693888

約数和(自身を除く): 19343920

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8423, 16846, 33692, 67384, 134768, 1271873, 2543746, 5087492, 10174984, 20349968]

約数ペア:

[(1, 20349968), (2, 10174984), (4, 5087492), (8, 2543746), (16, 1271873), (151, 134768), (302, 67384), (604, 33692), (1208, 16846), (2416, 8423)]