20330757

素因数分解:

$3^4\times {\mathrm{499}}^1\times {\mathrm{503}}^1$

素因数の和:1014

約数の個数: 20

約数和(自身を含む): 30492000

約数和(自身を除く): 10161243

約数列:

[1, 3, 9, 27, 81, 499, 503, 1497, 1509, 4491, 4527, 13473, 13581, 40419, 40743, 250997, 752991, 2258973, 6776919, 20330757]

約数ペア:

[(1, 20330757), (3, 6776919), (9, 2258973), (27, 752991), (81, 250997), (499, 40743), (503, 40419), (1497, 13581), (1509, 13473), (4491, 4527)]