20367225

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:838

約数の個数: 36

約数和(自身を含む): 36811632

約数和(自身を除く): 16444407

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 393, 655, 691, 1179, 1965, 2073, 3275, 3455, 5895, 6219, 9825, 10365, 17275, 29475, 31095, 51825, 90521, 155475, 271563, 452605, 814689, 1357815, 2263025, 4073445, 6789075, 20367225]

約数ペア:

[(1, 20367225), (3, 6789075), (5, 4073445), (9, 2263025), (15, 1357815), (25, 814689), (45, 452605), (75, 271563), (131, 155475), (225, 90521), (393, 51825), (655, 31095), (691, 29475), (1179, 17275), (1965, 10365), (2073, 9825), (3275, 6219), (3455, 5895)]