20041390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{337}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 38207520

約数和(自身を除く): 18166130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 313, 337, 626, 674, 1565, 1685, 3130, 3370, 5947, 6403, 11894, 12806, 29735, 32015, 59470, 64030, 105481, 210962, 527405, 1054810, 2004139, 4008278, 10020695, 20041390]

約数ペア:

[(1, 20041390), (2, 10020695), (5, 4008278), (10, 2004139), (19, 1054810), (38, 527405), (95, 210962), (190, 105481), (313, 64030), (337, 59470), (626, 32015), (674, 29735), (1565, 12806), (1685, 11894), (3130, 6403), (3370, 5947)]