20403747620

素因数分解:

$2^2\times 5^1\times {\mathrm{2357}}^1\times {\mathrm{432833}}^1$

素因数の和:435199

約数の個数: 24

約数和(自身を含む): 42866148024

約数和(自身を除く): 22462400404

約数列:

[1, 2, 4, 5, 10, 20, 2357, 4714, 9428, 11785, 23570, 47140, 432833, 865666, 1731332, 2164165, 4328330, 8656660, 1020187381, 2040374762, 4080749524, 5100936905, 10201873810, 20403747620]

約数ペア:

[(1, 20403747620), (2, 10201873810), (4, 5100936905), (5, 4080749524), (10, 2040374762), (20, 1020187381), (2357, 8656660), (4714, 4328330), (9428, 2164165), (11785, 1731332), (23570, 865666), (47140, 432833)]