20167540

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3181}}^1$

素因数の和:3507

約数の個数: 24

約数和(自身を含む): 42498792

約数和(自身を除く): 22331252

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 3181, 6340, 6362, 12724, 15905, 31810, 63620, 1008377, 2016754, 4033508, 5041885, 10083770, 20167540]

約数ペア:

[(1, 20167540), (2, 10083770), (4, 5041885), (5, 4033508), (10, 2016754), (20, 1008377), (317, 63620), (634, 31810), (1268, 15905), (1585, 12724), (3170, 6362), (3181, 6340)]