20835117

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{5179}}^1$

素因数の和:5337

約数の個数: 16

約数和(自身を含む): 31080000

約数和(自身を除く): 10244883

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 5179, 15537, 46611, 139833, 771671, 2315013, 6945039, 20835117]

約数ペア:

[(1, 20835117), (3, 6945039), (9, 2315013), (27, 771671), (149, 139833), (447, 46611), (1341, 15537), (4023, 5179)]