20266268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{1283}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 38828160

約数和(自身を除く): 18561892

約数列:

[1, 2, 4, 11, 22, 44, 359, 718, 1283, 1436, 2566, 3949, 5132, 7898, 14113, 15796, 28226, 56452, 460597, 921194, 1842388, 5066567, 10133134, 20266268]

約数ペア:

[(1, 20266268), (2, 10133134), (4, 5066567), (11, 1842388), (22, 921194), (44, 460597), (359, 56452), (718, 28226), (1283, 15796), (1436, 14113), (2566, 7898), (3949, 5132)]