20320827261

素因数分解:

$3^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{677}}^1\times {\mathrm{3301}}^1$

素因数の和:4421

約数の個数: 32

約数和(自身を含む): 31091843328

約数和(自身を除く): 10771016067

約数列:

[1, 3, 7, 21, 433, 677, 1299, 2031, 3031, 3301, 4739, 9093, 9903, 14217, 23107, 69321, 293141, 879423, 1429333, 2051987, 2234777, 4287999, 6155961, 6704331, 10005331, 15643439, 30015993, 46930317, 967658441, 2902975323, 6773609087, 20320827261]

約数ペア:

[(1, 20320827261), (3, 6773609087), (7, 2902975323), (21, 967658441), (433, 46930317), (677, 30015993), (1299, 15643439), (2031, 10005331), (3031, 6704331), (3301, 6155961), (4739, 4287999), (9093, 2234777), (9903, 2051987), (14217, 1429333), (23107, 879423), (69321, 293141)]