20547485

素因数分解:

$5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1549}}^1$

素因数の和:1940

約数の個数: 16

約数和(自身を含む): 28272000

約数和(自身を除く): 7724515

約数列:

[1, 5, 7, 35, 379, 1549, 1895, 2653, 7745, 10843, 13265, 54215, 587071, 2935355, 4109497, 20547485]

約数ペア:

[(1, 20547485), (5, 4109497), (7, 2935355), (35, 587071), (379, 54215), (1549, 13265), (1895, 10843), (2653, 7745)]