20107870

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25453}}^1$

素因数の和:25539

約数の個数: 16

約数和(自身を含む): 36653760

約数和(自身を除く): 16545890

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 25453, 50906, 127265, 254530, 2010787, 4021574, 10053935, 20107870]

約数ペア:

[(1, 20107870), (2, 10053935), (5, 4021574), (10, 2010787), (79, 254530), (158, 127265), (395, 50906), (790, 25453)]