20257227

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{97861}}^1$

素因数の和:97890

約数の個数: 12

約数和(自身を含む): 30532944

約数和(自身を除く): 10275717

約数列:

[1, 3, 9, 23, 69, 207, 97861, 293583, 880749, 2250803, 6752409, 20257227]

約数ペア:

[(1, 20257227), (3, 6752409), (9, 2250803), (23, 880749), (69, 293583), (207, 97861)]