20651710

素因数分解:

$2^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{5449}}^1$

素因数の和:5835

約数の個数: 16

約数和(自身を含む): 37278000

約数和(自身を除く): 16626290

約数列:

[1, 2, 5, 10, 379, 758, 1895, 3790, 5449, 10898, 27245, 54490, 2065171, 4130342, 10325855, 20651710]

約数ペア:

[(1, 20651710), (2, 10325855), (5, 4130342), (10, 2065171), (379, 54490), (758, 27245), (1895, 10898), (3790, 5449)]