20515620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{341927}}^1$

素因数の和:341939

約数の個数: 24

約数和(自身を含む): 57443904

約数和(自身を除く): 36928284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 341927, 683854, 1025781, 1367708, 1709635, 2051562, 3419270, 4103124, 5128905, 6838540, 10257810, 20515620]

約数ペア:

[(1, 20515620), (2, 10257810), (3, 6838540), (4, 5128905), (5, 4103124), (6, 3419270), (10, 2051562), (12, 1709635), (15, 1367708), (20, 1025781), (30, 683854), (60, 341927)]