20632742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11177}}^1$

素因数の和:11263

約数の個数: 16

約数和(自身を含む): 33802272

約数和(自身を除く): 13169530

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11177, 22354, 145301, 290602, 793567, 1587134, 10316371, 20632742]

約数ペア:

[(1, 20632742), (2, 10316371), (13, 1587134), (26, 793567), (71, 290602), (142, 145301), (923, 22354), (1846, 11177)]