20634775

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1933}}^1$

素因数の和:2011

約数の個数: 24

約数和(自身を含む): 29737184

約数和(自身を除く): 9102409

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 1933, 2135, 9665, 10675, 13531, 48325, 67655, 117913, 338275, 589565, 825391, 2947825, 4126955, 20634775]

約数ペア:

[(1, 20634775), (5, 4126955), (7, 2947825), (25, 825391), (35, 589565), (61, 338275), (175, 117913), (305, 67655), (427, 48325), (1525, 13531), (1933, 10675), (2135, 9665)]