20576545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 29082240

約数和(自身を除く): 8505695

約数列:

[1, 5, 11, 17, 55, 59, 85, 187, 295, 373, 649, 935, 1003, 1865, 3245, 4103, 5015, 6341, 11033, 20515, 22007, 31705, 55165, 69751, 110035, 242077, 348755, 374119, 1210385, 1870595, 4115309, 20576545]

約数ペア:

[(1, 20576545), (5, 4115309), (11, 1870595), (17, 1210385), (55, 374119), (59, 348755), (85, 242077), (187, 110035), (295, 69751), (373, 55165), (649, 31705), (935, 22007), (1003, 20515), (1865, 11033), (3245, 6341), (4103, 5015)]