20178021020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6189577}}^1$

素因数の和:6189749

約数の個数: 24

約数和(自身を含む): 42633813264

約数和(自身を除く): 22455792244

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 6189577, 12379154, 24758308, 30947885, 61895770, 123791540, 1008901051, 2017802102, 4035604204, 5044505255, 10089010510, 20178021020]

約数ペア:

[(1, 20178021020), (2, 10089010510), (4, 5044505255), (5, 4035604204), (10, 2017802102), (20, 1008901051), (163, 123791540), (326, 61895770), (652, 30947885), (815, 24758308), (1630, 12379154), (3260, 6189577)]