20145264820

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4437283}}^1$

素因数の和:4437519

約数の個数: 24

約数和(自身を含む): 42491431584

約数和(自身を除く): 22346166764

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 4437283, 8874566, 17749132, 22186415, 44372830, 88745660, 1007263241, 2014526482, 4029052964, 5036316205, 10072632410, 20145264820]

約数ペア:

[(1, 20145264820), (2, 10072632410), (4, 5036316205), (5, 4029052964), (10, 2014526482), (20, 1007263241), (227, 88745660), (454, 44372830), (908, 22186415), (1135, 17749132), (2270, 8874566), (4540, 4437283)]