20581010

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70969}}^1$

素因数の和:71005

約数の個数: 16

約数和(自身を含む): 38323800

約数和(自身を除く): 17742790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70969, 141938, 354845, 709690, 2058101, 4116202, 10290505, 20581010]

約数ペア:

[(1, 20581010), (2, 10290505), (5, 4116202), (10, 2058101), (29, 709690), (58, 354845), (145, 141938), (290, 70969)]