20170679260

素因数分解:

$2^2\times 5^1\times {\mathrm{2539}}^1\times {\mathrm{397217}}^1$

素因数の和:399765

約数の個数: 24

約数和(自身を含む): 42375216240

約数和(自身を除く): 22204536980

約数列:

[1, 2, 4, 5, 10, 20, 2539, 5078, 10156, 12695, 25390, 50780, 397217, 794434, 1588868, 1986085, 3972170, 7944340, 1008533963, 2017067926, 4034135852, 5042669815, 10085339630, 20170679260]

約数ペア:

[(1, 20170679260), (2, 10085339630), (4, 5042669815), (5, 4034135852), (10, 2017067926), (20, 1008533963), (2539, 7944340), (5078, 3972170), (10156, 1986085), (12695, 1588868), (25390, 794434), (50780, 397217)]