20987150852

素因数分解:

$2^2\times {\mathrm{3323}}^1\times {\mathrm{1578931}}^1$

素因数の和:1582258

約数の個数: 12

約数和(自身を含む): 36738589776

約数和(自身を除く): 15751438924

約数列:

[1, 2, 4, 3323, 6646, 13292, 1578931, 3157862, 6315724, 5246787713, 10493575426, 20987150852]

約数ペア:

[(1, 20987150852), (2, 10493575426), (4, 5246787713), (3323, 6315724), (6646, 3157862), (13292, 1578931)]