20557566

素因数分解:

$2^1\times 3^2\times {\mathrm{827}}^1\times {\mathrm{1381}}^1$

素因数の和:2216

約数の個数: 24

約数和(自身を含む): 44627544

約数和(自身を除く): 24069978

約数列:

[1, 2, 3, 6, 9, 18, 827, 1381, 1654, 2481, 2762, 4143, 4962, 7443, 8286, 12429, 14886, 24858, 1142087, 2284174, 3426261, 6852522, 10278783, 20557566]

約数ペア:

[(1, 20557566), (2, 10278783), (3, 6852522), (6, 3426261), (9, 2284174), (18, 1142087), (827, 24858), (1381, 14886), (1654, 12429), (2481, 8286), (2762, 7443), (4143, 4962)]