20158285

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10867}}^1$

素因数の和:10932

約数の個数: 16

約数和(自身を含む): 28169856

約数和(自身を除く): 8011571

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 10867, 54335, 76069, 380345, 575951, 2879755, 4031657, 20158285]

約数ペア:

[(1, 20158285), (5, 4031657), (7, 2879755), (35, 575951), (53, 380345), (265, 76069), (371, 54335), (1855, 10867)]