20188540

素因数分解:

$2^2\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1151}}^1$

素因数の和:2037

約数の個数: 24

約数和(自身を含む): 42481152

約数和(自身を除く): 22292612

約数列:

[1, 2, 4, 5, 10, 20, 877, 1151, 1754, 2302, 3508, 4385, 4604, 5755, 8770, 11510, 17540, 23020, 1009427, 2018854, 4037708, 5047135, 10094270, 20188540]

約数ペア:

[(1, 20188540), (2, 10094270), (4, 5047135), (5, 4037708), (10, 2018854), (20, 1009427), (877, 23020), (1151, 17540), (1754, 11510), (2302, 8770), (3508, 5755), (4385, 4604)]