20848077

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17957}}^1$

素因数の和:18009

約数の個数: 16

約数和(自身を含む): 31606080

約数和(自身を除く): 10758003

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17957, 53871, 161613, 484839, 772151, 2316453, 6949359, 20848077]

約数ペア:

[(1, 20848077), (3, 6949359), (9, 2316453), (27, 772151), (43, 484839), (129, 161613), (387, 53871), (1161, 17957)]