20451710

素因数分解:

$2^1\times 5^1\times {\mathrm{827}}^1\times {\mathrm{2473}}^1$

素因数の和:3307

約数の個数: 16

約数和(自身を含む): 36872496

約数和(自身を除く): 16420786

約数列:

[1, 2, 5, 10, 827, 1654, 2473, 4135, 4946, 8270, 12365, 24730, 2045171, 4090342, 10225855, 20451710]

約数ペア:

[(1, 20451710), (2, 10225855), (5, 4090342), (10, 2045171), (827, 24730), (1654, 12365), (2473, 8270), (4135, 4946)]