20998584

素因数分解:

$2^3\times 3^2\times {\mathrm{291647}}^1$

素因数の和:291659

約数の個数: 24

約数和(自身を含む): 56871360

約数和(自身を除く): 35872776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 291647, 583294, 874941, 1166588, 1749882, 2333176, 2624823, 3499764, 5249646, 6999528, 10499292, 20998584]

約数ペア:

[(1, 20998584), (2, 10499292), (3, 6999528), (4, 5249646), (6, 3499764), (8, 2624823), (9, 2333176), (12, 1749882), (18, 1166588), (24, 874941), (36, 583294), (72, 291647)]