20007985005

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1056109}}^1$

素因数の和:1056541

約数の個数: 24

約数和(自身を含む): 34762916760

約数和(自身を除く): 14754931755

約数列:

[1, 3, 5, 9, 15, 45, 421, 1263, 2105, 3789, 6315, 18945, 1056109, 3168327, 5280545, 9504981, 15841635, 47524905, 444621889, 1333865667, 2223109445, 4001597001, 6669328335, 20007985005]

約数ペア:

[(1, 20007985005), (3, 6669328335), (5, 4001597001), (9, 2223109445), (15, 1333865667), (45, 444621889), (421, 47524905), (1263, 15841635), (2105, 9504981), (3789, 5280545), (6315, 3168327), (18945, 1056109)]