20089777977

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17303857}}^1$

素因数の和:17303909

約数の個数: 16

約数和(自身を含む): 30454790080

約数和(自身を除く): 10365012103

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17303857, 51911571, 155734713, 467204139, 744065851, 2232197553, 6696592659, 20089777977]

約数ペア:

[(1, 20089777977), (3, 6696592659), (9, 2232197553), (27, 744065851), (43, 467204139), (129, 155734713), (387, 51911571), (1161, 17303857)]