20512474465

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2203}}^1\times {\mathrm{15649}}^1$

素因数の和:17881

約数の個数: 32

約数和(自身を含む): 29801606400

約数和(自身を除く): 9289131935

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 2203, 11015, 15421, 15649, 37451, 77105, 78245, 109543, 187255, 262157, 266033, 547715, 1310785, 1330165, 1862231, 9311155, 34474747, 172373735, 241323229, 586070699, 1206616145, 2930353495, 4102494893, 20512474465]

約数ペア:

[(1, 20512474465), (5, 4102494893), (7, 2930353495), (17, 1206616145), (35, 586070699), (85, 241323229), (119, 172373735), (595, 34474747), (2203, 9311155), (11015, 1862231), (15421, 1330165), (15649, 1310785), (37451, 547715), (77105, 266033), (78245, 262157), (109543, 187255)]