20012103

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{2309}}^1$

素因数の和:2428

約数の個数: 20

約数和(自身を含む): 30187080

約数和(自身を除く): 10174977

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2309, 2889, 6927, 8667, 20781, 62343, 187029, 247063, 741189, 2223567, 6670701, 20012103]

約数ペア:

[(1, 20012103), (3, 6670701), (9, 2223567), (27, 741189), (81, 247063), (107, 187029), (321, 62343), (963, 20781), (2309, 8667), (2889, 6927)]