20850021

素因数分解:

$3^3\times {\mathrm{331}}^1\times {\mathrm{2333}}^1$

素因数の和:2673

約数の個数: 16

約数和(自身を含む): 30995520

約数和(自身を除く): 10145499

約数列:

[1, 3, 9, 27, 331, 993, 2333, 2979, 6999, 8937, 20997, 62991, 772223, 2316669, 6950007, 20850021]

約数ペア:

[(1, 20850021), (3, 6950007), (9, 2316669), (27, 772223), (331, 62991), (993, 20997), (2333, 8937), (2979, 6999)]