20626895

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 25522560

約数和(自身を除く): 4895665

約数列:

[1, 5, 41, 205, 239, 421, 1195, 2105, 9799, 17261, 48995, 86305, 100619, 503095, 4125379, 20626895]

約数ペア:

[(1, 20626895), (5, 4125379), (41, 503095), (205, 100619), (239, 86305), (421, 48995), (1195, 17261), (2105, 9799)]