20187124479

素因数分解:

$3^4\times {\mathrm{929}}^1\times {\mathrm{268271}}^1$

素因数の和:269212

約数の個数: 20

約数和(自身を含む): 30188648160

約数和(自身を除く): 10001523681

約数列:

[1, 3, 9, 27, 81, 929, 2787, 8361, 25083, 75249, 268271, 804813, 2414439, 7243317, 21729951, 249223759, 747671277, 2243013831, 6729041493, 20187124479]

約数ペア:

[(1, 20187124479), (3, 6729041493), (9, 2243013831), (27, 747671277), (81, 249223759), (929, 21729951), (2787, 7243317), (8361, 2414439), (25083, 804813), (75249, 268271)]