20257485

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{32939}}^1$

素因数の和:32988

約数の個数: 16

約数和(自身を含む): 33203520

約数和(自身を除く): 12946035

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 32939, 98817, 164695, 494085, 1350499, 4051497, 6752495, 20257485]

約数ペア:

[(1, 20257485), (3, 6752495), (5, 4051497), (15, 1350499), (41, 494085), (123, 164695), (205, 98817), (615, 32939)]