20784028528

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11495591}}^1$

素因数の和:11495712

約数の個数: 20

約数和(自身を含む): 40625422128

約数和(自身を除く): 19841393600

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11495591, 22991182, 45982364, 91964728, 183929456, 1299001783, 2598003566, 5196007132, 10392014264, 20784028528]

約数ペア:

[(1, 20784028528), (2, 10392014264), (4, 5196007132), (8, 2598003566), (16, 1299001783), (113, 183929456), (226, 91964728), (452, 45982364), (904, 22991182), (1808, 11495591)]