20562525

素因数分解:

$3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 38747520

約数和(自身を除く): 18184995

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 123, 135, 205, 225, 369, 615, 675, 743, 1025, 1107, 1845, 2229, 3075, 3715, 5535, 6687, 9225, 11145, 18575, 20061, 27675, 30463, 33435, 55725, 91389, 100305, 152315, 167175, 274167, 456945, 501525, 761575, 822501, 1370835, 2284725, 4112505, 6854175, 20562525]

約数ペア:

[(1, 20562525), (3, 6854175), (5, 4112505), (9, 2284725), (15, 1370835), (25, 822501), (27, 761575), (41, 501525), (45, 456945), (75, 274167), (123, 167175), (135, 152315), (205, 100305), (225, 91389), (369, 55725), (615, 33435), (675, 30463), (743, 27675), (1025, 20061), (1107, 18575), (1845, 11145), (2229, 9225), (3075, 6687), (3715, 5535)]