20451570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681719}}^1$

素因数の和:681729

約数の個数: 16

約数和(自身を含む): 49083840

約数和(自身を除く): 28632270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681719, 1363438, 2045157, 3408595, 4090314, 6817190, 10225785, 20451570]

約数ペア:

[(1, 20451570), (2, 10225785), (3, 6817190), (5, 4090314), (6, 3408595), (10, 2045157), (15, 1363438), (30, 681719)]