20257980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337633}}^1$

素因数の和:337645

約数の個数: 24

約数和(自身を含む): 56722512

約数和(自身を除く): 36464532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337633, 675266, 1012899, 1350532, 1688165, 2025798, 3376330, 4051596, 5064495, 6752660, 10128990, 20257980]

約数ペア:

[(1, 20257980), (2, 10128990), (3, 6752660), (4, 5064495), (5, 4051596), (6, 3376330), (10, 2025798), (12, 1688165), (15, 1350532), (20, 1012899), (30, 675266), (60, 337633)]