20195357

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9649}}^1$

素因数の和:9692

約数の個数: 16

約数和(自身を含む): 25939200

約数和(自身を除く): 5743843

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 9649, 67543, 125437, 221927, 878059, 1553489, 2885051, 20195357]

約数ペア:

[(1, 20195357), (7, 2885051), (13, 1553489), (23, 878059), (91, 221927), (161, 125437), (299, 67543), (2093, 9649)]