20089405

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5683}}^1$

素因数の和:5796

約数の個数: 16

約数和(自身を含む): 27828864

約数和(自身を除く): 7739459

約数列:

[1, 5, 7, 35, 101, 505, 707, 3535, 5683, 28415, 39781, 198905, 573983, 2869915, 4017881, 20089405]

約数ペア:

[(1, 20089405), (5, 4017881), (7, 2869915), (35, 573983), (101, 198905), (505, 39781), (707, 28415), (3535, 5683)]