20695499090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{295649987}}^1$

素因数の和:295650001

約数の個数: 16

約数和(自身を含む): 42573598272

約数和(自身を除く): 21878099182

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 295649987, 591299974, 1478249935, 2069549909, 2956499870, 4139099818, 10347749545, 20695499090]

約数ペア:

[(1, 20695499090), (2, 10347749545), (5, 4139099818), (7, 2956499870), (10, 2069549909), (14, 1478249935), (35, 591299974), (70, 295649987)]