20013231

素因数分解:

$3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4789}}^1$

素因数の和:4998

約数の個数: 16

約数和(自身を含む): 30656000

約数和(自身を除く): 10642769

約数列:

[1, 3, 7, 21, 199, 597, 1393, 4179, 4789, 14367, 33523, 100569, 953011, 2859033, 6671077, 20013231]

約数ペア:

[(1, 20013231), (3, 6671077), (7, 2859033), (21, 953011), (199, 100569), (597, 33523), (1393, 14367), (4179, 4789)]