20099485

素因数分解:

$5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1279}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 27648000

約数和(自身を除く): 7548515

約数列:

[1, 5, 7, 35, 449, 1279, 2245, 3143, 6395, 8953, 15715, 44765, 574271, 2871355, 4019897, 20099485]

約数ペア:

[(1, 20099485), (5, 4019897), (7, 2871355), (35, 574271), (449, 44765), (1279, 15715), (2245, 8953), (3143, 6395)]