20902610

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26459}}^1$

素因数の和:26545

約数の個数: 16

約数和(自身を含む): 38102400

約数和(自身を除く): 17199790

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 26459, 52918, 132295, 264590, 2090261, 4180522, 10451305, 20902610]

約数ペア:

[(1, 20902610), (2, 10451305), (5, 4180522), (10, 2090261), (79, 264590), (158, 132295), (395, 52918), (790, 26459)]