20177540

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2179}}^1$

素因数の和:2651

約数の個数: 24

約数和(自身を含む): 42483840

約数和(自身を除く): 22306300

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2179, 2315, 4358, 4630, 8716, 9260, 10895, 21790, 43580, 1008877, 2017754, 4035508, 5044385, 10088770, 20177540]

約数ペア:

[(1, 20177540), (2, 10088770), (4, 5044385), (5, 4035508), (10, 2017754), (20, 1008877), (463, 43580), (926, 21790), (1852, 10895), (2179, 9260), (2315, 8716), (4358, 4630)]