20706111

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{2531}}^1$

素因数の和:2644

約数の個数: 20

約数和(自身を含む): 31249944

約数和(自身を除く): 10543833

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2531, 2727, 7593, 8181, 22779, 68337, 205011, 255631, 766893, 2300679, 6902037, 20706111]

約数ペア:

[(1, 20706111), (3, 6902037), (9, 2300679), (27, 766893), (81, 255631), (101, 205011), (303, 68337), (909, 22779), (2531, 8181), (2727, 7593)]