20125181535

素因数分解:

$3^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1658441}}^1$

素因数の和:1659258

約数の個数: 16

約数和(自身を含む): 32240112480

約数和(自身を除く): 12114930945

約数列:

[1, 3, 5, 15, 809, 2427, 4045, 12135, 1658441, 4975323, 8292205, 24876615, 1341678769, 4025036307, 6708393845, 20125181535]

約数ペア:

[(1, 20125181535), (3, 6708393845), (5, 4025036307), (15, 1341678769), (809, 24876615), (2427, 8292205), (4045, 4975323), (12135, 1658441)]