20840668

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{631}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 38223360

約数和(自身を除く): 17382692

約数列:

[1, 2, 4, 23, 46, 92, 359, 631, 718, 1262, 1436, 2524, 8257, 14513, 16514, 29026, 33028, 58052, 226529, 453058, 906116, 5210167, 10420334, 20840668]

約数ペア:

[(1, 20840668), (2, 10420334), (4, 5210167), (23, 906116), (46, 453058), (92, 226529), (359, 58052), (631, 33028), (718, 29026), (1262, 16514), (1436, 14513), (2524, 8257)]