20455715

素因数分解:

$5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3229}}^1$

素因数の和:3422

約数の個数: 16

約数和(自身を含む): 28217280

約数和(自身を除く): 7761565

約数列:

[1, 5, 7, 35, 181, 905, 1267, 3229, 6335, 16145, 22603, 113015, 584449, 2922245, 4091143, 20455715]

約数ペア:

[(1, 20455715), (5, 4091143), (7, 2922245), (35, 584449), (181, 113015), (905, 22603), (1267, 16145), (3229, 6335)]