20209021

素因数分解:

$7^2\times {\mathrm{229}}^1\times {\mathrm{1801}}^1$

素因数の和:2044

約数の個数: 12

約数和(自身を含む): 23624220

約数和(自身を除く): 3415199

約数列:

[1, 7, 49, 229, 1603, 1801, 11221, 12607, 88249, 412429, 2887003, 20209021]

約数ペア:

[(1, 20209021), (7, 2887003), (49, 412429), (229, 88249), (1603, 12607), (1801, 11221)]