20853864

素因数分解:

$2^3\times 3^2\times {\mathrm{289637}}^1$

素因数の和:289649

約数の個数: 24

約数和(自身を含む): 56479410

約数和(自身を除く): 35625546

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 289637, 579274, 868911, 1158548, 1737822, 2317096, 2606733, 3475644, 5213466, 6951288, 10426932, 20853864]

約数ペア:

[(1, 20853864), (2, 10426932), (3, 6951288), (4, 5213466), (6, 3475644), (8, 2606733), (9, 2317096), (12, 1737822), (18, 1158548), (24, 868911), (36, 579274), (72, 289637)]