20811138

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{51769}}^1$

素因数の和:51841

約数の個数: 16

約数和(自身を含む): 42244320

約数和(自身を除く): 21433182

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 51769, 103538, 155307, 310614, 3468523, 6937046, 10405569, 20811138]

約数ペア:

[(1, 20811138), (2, 10405569), (3, 6937046), (6, 3468523), (67, 310614), (134, 155307), (201, 103538), (402, 51769)]