20639822

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{1753}}^1$

素因数の和:1820

約数の個数: 24

約数和(自身を含む): 36665616

約数和(自身を除く): 16025794

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 841, 1682, 1753, 3506, 5887, 11774, 12271, 24542, 50837, 101674, 355859, 711718, 1474273, 2948546, 10319911, 20639822]

約数ペア:

[(1, 20639822), (2, 10319911), (7, 2948546), (14, 1474273), (29, 711718), (58, 355859), (203, 101674), (406, 50837), (841, 24542), (1682, 12271), (1753, 11774), (3506, 5887)]