20164566231

素因数分解:

$3^2\times {\mathrm{59}}^2\times {\mathrm{643639}}^1$

素因数の和:643763

約数の個数: 18

約数和(自身を含む): 29628680120

約数和(自身を除く): 9464113889

約数列:

[1, 3, 9, 59, 177, 531, 3481, 10443, 31329, 643639, 1930917, 5792751, 37974701, 113924103, 341772309, 2240507359, 6721522077, 20164566231]

約数ペア:

[(1, 20164566231), (3, 6721522077), (9, 2240507359), (59, 341772309), (177, 113924103), (531, 37974701), (3481, 5792751), (10443, 1930917), (31329, 643639)]