20486685

素因数分解:

$3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3511}}^1$

素因数の和:3908

約数の個数: 16

約数和(自身を含む): 32872320

約数和(自身を除く): 12385635

約数列:

[1, 3, 5, 15, 389, 1167, 1945, 3511, 5835, 10533, 17555, 52665, 1365779, 4097337, 6828895, 20486685]

約数ペア:

[(1, 20486685), (3, 6828895), (5, 4097337), (15, 1365779), (389, 52665), (1167, 17555), (1945, 10533), (3511, 5835)]