20948675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4481}}^1$

素因数の和:4519

約数の個数: 24

約数和(自身を含む): 30011472

約数和(自身を除く): 9062797

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4481, 4675, 22405, 49291, 76177, 112025, 246455, 380885, 837947, 1232275, 1904425, 4189735, 20948675]

約数ペア:

[(1, 20948675), (5, 4189735), (11, 1904425), (17, 1232275), (25, 837947), (55, 380885), (85, 246455), (187, 112025), (275, 76177), (425, 49291), (935, 22405), (4481, 4675)]