20959647

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1697}}^1$

素因数の和:1902

約数の個数: 16

約数和(自身を含む): 29341440

約数和(自身を除く): 8381793

約数列:

[1, 3, 23, 69, 179, 537, 1697, 4117, 5091, 12351, 39031, 117093, 303763, 911289, 6986549, 20959647]

約数ペア:

[(1, 20959647), (3, 6986549), (23, 911289), (69, 303763), (179, 117093), (537, 39031), (1697, 12351), (4117, 5091)]