20391018

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{147761}}^1$

素因数の和:147789

約数の個数: 16

約数和(自身を含む): 42555456

約数和(自身を除く): 22164438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 147761, 295522, 443283, 886566, 3398503, 6797006, 10195509, 20391018]

約数ペア:

[(1, 20391018), (2, 10195509), (3, 6797006), (6, 3398503), (23, 886566), (46, 443283), (69, 295522), (138, 147761)]