20740845

素因数分解:

$3^1\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1861}}^1$

素因数の和:2612

約数の個数: 16

約数和(自身を含む): 33247872

約数和(自身を除く): 12507027

約数列:

[1, 3, 5, 15, 743, 1861, 2229, 3715, 5583, 9305, 11145, 27915, 1382723, 4148169, 6913615, 20740845]

約数ペア:

[(1, 20740845), (3, 6913615), (5, 4148169), (15, 1382723), (743, 27915), (1861, 11145), (2229, 9305), (3715, 5583)]