20056855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2593}}^1$

素因数の和:2635

約数の個数: 32

約数和(自身を含む): 31377024

約数和(自身を除く): 11320169

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 2593, 7735, 12965, 18151, 33709, 44081, 90755, 168545, 220405, 235963, 308567, 573053, 1179815, 1542835, 2865265, 4011371, 20056855]

約数ペア:

[(1, 20056855), (5, 4011371), (7, 2865265), (13, 1542835), (17, 1179815), (35, 573053), (65, 308567), (85, 235963), (91, 220405), (119, 168545), (221, 90755), (455, 44081), (595, 33709), (1105, 18151), (1547, 12965), (2593, 7735)]