20089167

素因数分解:

$3^1\times 7^4\times {\mathrm{2789}}^1$

素因数の和:2820

約数の個数: 20

約数和(自身を含む): 31259160

約数和(自身を除く): 11169993

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 2789, 7203, 8367, 19523, 58569, 136661, 409983, 956627, 2869881, 6696389, 20089167]

約数ペア:

[(1, 20089167), (3, 6696389), (7, 2869881), (21, 956627), (49, 409983), (147, 136661), (343, 58569), (1029, 19523), (2401, 8367), (2789, 7203)]