20196044980

素因数分解:

$2^2\times 5^1\times {\mathrm{1009802249}}^1$

素因数の和:1009802258

約数の個数: 12

約数和(自身を含む): 42411694500

約数和(自身を除く): 22215649520

約数列:

[1, 2, 4, 5, 10, 20, 1009802249, 2019604498, 4039208996, 5049011245, 10098022490, 20196044980]

約数ペア:

[(1, 20196044980), (2, 10098022490), (4, 5049011245), (5, 4039208996), (10, 2019604498), (20, 1009802249)]