20877550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5881}}^1$

素因数の和:5964

約数の個数: 24

約数和(自身を含む): 39385872

約数和(自身を除く): 18508322

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5881, 11762, 29405, 58810, 147025, 294050, 417551, 835102, 2087755, 4175510, 10438775, 20877550]

約数ペア:

[(1, 20877550), (2, 10438775), (5, 4175510), (10, 2087755), (25, 835102), (50, 417551), (71, 294050), (142, 147025), (355, 58810), (710, 29405), (1775, 11762), (3550, 5881)]