20717687

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 1962313

約数列:

[1, 23, 29, 89, 349, 667, 2047, 2581, 8027, 10121, 31061, 59363, 232783, 714403, 900769, 20717687]

約数ペア:

[(1, 20717687), (23, 900769), (29, 714403), (89, 232783), (349, 59363), (667, 31061), (2047, 10121), (2581, 8027)]