20258289

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17449}}^1$

素因数の和:17501

約数の個数: 16

約数和(自身を含む): 30712000

約数和(自身を除く): 10453711

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17449, 52347, 157041, 471123, 750307, 2250921, 6752763, 20258289]

約数ペア:

[(1, 20258289), (3, 6752763), (9, 2250921), (27, 750307), (43, 471123), (129, 157041), (387, 52347), (1161, 17449)]