20163564020

素因数分解:

$2^2\times 5^1\times {\mathrm{1008178201}}^1$

素因数の和:1008178210

約数の個数: 12

約数和(自身を含む): 42343484484

約数和(自身を除く): 22179920464

約数列:

[1, 2, 4, 5, 10, 20, 1008178201, 2016356402, 4032712804, 5040891005, 10081782010, 20163564020]

約数ペア:

[(1, 20163564020), (2, 10081782010), (4, 5040891005), (5, 4032712804), (10, 2016356402), (20, 1008178201)]