20296263

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7129}}^1$

素因数の和:7218

約数の個数: 16

約数和(自身を含む): 29546720

約数和(自身を除く): 9250457

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 7129, 21387, 92677, 278031, 520417, 1561251, 6765421, 20296263]

約数ペア:

[(1, 20296263), (3, 6765421), (13, 1561251), (39, 520417), (73, 278031), (219, 92677), (949, 21387), (2847, 7129)]