20644574

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{769}}^1$

素因数の和:1235

約数の個数: 16

約数和(自身を含む): 32081280

約数和(自身を除く): 11436706

約数列:

[1, 2, 31, 62, 433, 769, 866, 1538, 13423, 23839, 26846, 47678, 332977, 665954, 10322287, 20644574]

約数ペア:

[(1, 20644574), (2, 10322287), (31, 665954), (62, 332977), (433, 47678), (769, 26846), (866, 23839), (1538, 13423)]