20187666

素因数分解:

$2^1\times 3^2\times {\mathrm{127}}^1\times {\mathrm{8831}}^1$

素因数の和:8966

約数の個数: 24

約数和(自身を含む): 44089344

約数和(自身を除く): 23901678

約数列:

[1, 2, 3, 6, 9, 18, 127, 254, 381, 762, 1143, 2286, 8831, 17662, 26493, 52986, 79479, 158958, 1121537, 2243074, 3364611, 6729222, 10093833, 20187666]

約数ペア:

[(1, 20187666), (2, 10093833), (3, 6729222), (6, 3364611), (9, 2243074), (18, 1121537), (127, 158958), (254, 79479), (381, 52986), (762, 26493), (1143, 17662), (2286, 8831)]