20088260

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2237}}^1$

素因数の和:2695

約数の個数: 24

約数和(自身を含む): 42298200

約数和(自身を除く): 22209940

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2237, 2245, 4474, 4490, 8948, 8980, 11185, 22370, 44740, 1004413, 2008826, 4017652, 5022065, 10044130, 20088260]

約数ペア:

[(1, 20088260), (2, 10044130), (4, 5022065), (5, 4017652), (10, 2008826), (20, 1004413), (449, 44740), (898, 22370), (1796, 11185), (2237, 8980), (2245, 8948), (4474, 4490)]