20559816

素因数分解:

$2^3\times 3^2\times {\mathrm{285553}}^1$

素因数の和:285565

約数の個数: 24

約数和(自身を含む): 55683030

約数和(自身を除く): 35123214

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 285553, 571106, 856659, 1142212, 1713318, 2284424, 2569977, 3426636, 5139954, 6853272, 10279908, 20559816]

約数ペア:

[(1, 20559816), (2, 10279908), (3, 6853272), (4, 5139954), (6, 3426636), (8, 2569977), (9, 2284424), (12, 1713318), (18, 1142212), (24, 856659), (36, 571106), (72, 285553)]