20205969

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{5903}}^1$

素因数の和:6076

約数の個数: 16

約数和(自身を含む): 30984192

約数和(自身を除く): 10778223

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 5903, 17709, 41321, 123963, 962189, 2886567, 6735323, 20205969]

約数ペア:

[(1, 20205969), (3, 6735323), (7, 2886567), (21, 962189), (163, 123963), (489, 41321), (1141, 17709), (3423, 5903)]