20039395

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2971}}^1$

素因数の和:3066

約数の個数: 16

約数和(自身を含む): 25678080

約数和(自身を除く): 5638685

約数列:

[1, 5, 19, 71, 95, 355, 1349, 2971, 6745, 14855, 56449, 210941, 282245, 1054705, 4007879, 20039395]

約数ペア:

[(1, 20039395), (5, 4007879), (19, 1054705), (71, 282245), (95, 210941), (355, 56449), (1349, 14855), (2971, 6745)]