20466831

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2161}}^1$

素因数の和:2223

約数の個数: 32

約数和(自身を含む): 34868736

約数和(自身を除く): 14401905

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 2161, 3157, 6483, 9471, 15127, 23771, 45381, 71313, 88601, 166397, 265803, 499191, 620207, 974611, 1860621, 2923833, 6822277, 20466831]

約数ペア:

[(1, 20466831), (3, 6822277), (7, 2923833), (11, 1860621), (21, 974611), (33, 620207), (41, 499191), (77, 265803), (123, 166397), (231, 88601), (287, 71313), (451, 45381), (861, 23771), (1353, 15127), (2161, 9471), (3157, 6483)]