19996270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{285661}}^1$

素因数の和:285675

約数の個数: 16

約数和(自身を含む): 41135328

約数和(自身を除く): 21139058

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 285661, 571322, 1428305, 1999627, 2856610, 3999254, 9998135, 19996270]

約数ペア:

[(1, 19996270), (2, 9998135), (5, 3999254), (7, 2856610), (10, 1999627), (14, 1428305), (35, 571322), (70, 285661)]