20913334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11329}}^1$

素因数の和:11415

約数の個数: 16

約数和(自身を含む): 34261920

約数和(自身を除く): 13348586

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11329, 22658, 147277, 294554, 804359, 1608718, 10456667, 20913334]

約数ペア:

[(1, 20913334), (2, 10456667), (13, 1608718), (26, 804359), (71, 294554), (142, 147277), (923, 22658), (1846, 11329)]