20625465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5309}}^1$

素因数の和:5361

約数の個数: 32

約数和(自身を含む): 38741760

約数和(自身を除く): 18116295

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885, 5309, 15927, 26545, 37163, 79635, 111489, 185815, 196433, 557445, 589299, 982165, 1375031, 2946495, 4125093, 6875155, 20625465]

約数ペア:

[(1, 20625465), (3, 6875155), (5, 4125093), (7, 2946495), (15, 1375031), (21, 982165), (35, 589299), (37, 557445), (105, 196433), (111, 185815), (185, 111489), (259, 79635), (555, 37163), (777, 26545), (1295, 15927), (3885, 5309)]