20164883660

素因数分解:

$2^2\times 5^1\times {\mathrm{39383}}^1\times {\mathrm{25601}}^1$

素因数の和:64993

約数の個数: 24

約数和(自身を含む): 42348985056

約数和(自身を除く): 22184101396

約数列:

[1, 2, 4, 5, 10, 20, 25601, 39383, 51202, 78766, 102404, 128005, 157532, 196915, 256010, 393830, 512020, 787660, 1008244183, 2016488366, 4032976732, 5041220915, 10082441830, 20164883660]

約数ペア:

[(1, 20164883660), (2, 10082441830), (4, 5041220915), (5, 4032976732), (10, 2016488366), (20, 1008244183), (25601, 787660), (39383, 512020), (51202, 393830), (78766, 256010), (102404, 196915), (128005, 157532)]