20517471

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6047}}^1$

素因数の和:6095

約数の個数: 24

約数和(自身を含む): 33022080

約数和(自身を除く): 12504609

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6047, 18141, 54423, 78611, 175363, 235833, 526089, 707499, 1578267, 2279719, 6839157, 20517471]

約数ペア:

[(1, 20517471), (3, 6839157), (9, 2279719), (13, 1578267), (29, 707499), (39, 526089), (87, 235833), (117, 175363), (261, 78611), (377, 54423), (1131, 18141), (3393, 6047)]