20325255

素因数分解:

$3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3313}}^1$

素因数の和:3730

約数の個数: 16

約数和(自身を含む): 32609760

約数和(自身を除く): 12284505

約数列:

[1, 3, 5, 15, 409, 1227, 2045, 3313, 6135, 9939, 16565, 49695, 1355017, 4065051, 6775085, 20325255]

約数ペア:

[(1, 20325255), (3, 6775085), (5, 4065051), (15, 1355017), (409, 49695), (1227, 16565), (2045, 9939), (3313, 6135)]