20087570

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{2027}}^1$

素因数の和:3025

約数の個数: 16

約数和(自身を含む): 36211968

約数和(自身を除く): 16124398

約数列:

[1, 2, 5, 10, 991, 1982, 2027, 4054, 4955, 9910, 10135, 20270, 2008757, 4017514, 10043785, 20087570]

約数ペア:

[(1, 20087570), (2, 10043785), (5, 4017514), (10, 2008757), (991, 20270), (1982, 10135), (2027, 9910), (4054, 4955)]