20519255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1481}}^1$

素因数の和:1666

約数の個数: 16

約数和(自身を含む): 26249184

約数和(自身を除く): 5729929

約数列:

[1, 5, 17, 85, 163, 815, 1481, 2771, 7405, 13855, 25177, 125885, 241403, 1207015, 4103851, 20519255]

約数ペア:

[(1, 20519255), (5, 4103851), (17, 1207015), (85, 241403), (163, 125885), (815, 25177), (1481, 13855), (2771, 7405)]