20880460055

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{146617}}^1$

素因数の和:146955

約数の個数: 32

約数和(自身を含む): 30937570944

約数和(自身を除く): 10057110889

約数列:

[1, 5, 7, 13, 35, 65, 91, 313, 455, 1565, 2191, 4069, 10955, 20345, 28483, 142415, 146617, 733085, 1026319, 1906021, 5131595, 9530105, 13342147, 45891121, 66710735, 229455605, 321237847, 596584573, 1606189235, 2982922865, 4176092011, 20880460055]

約数ペア:

[(1, 20880460055), (5, 4176092011), (7, 2982922865), (13, 1606189235), (35, 596584573), (65, 321237847), (91, 229455605), (313, 66710735), (455, 45891121), (1565, 13342147), (2191, 9530105), (4069, 5131595), (10955, 1906021), (20345, 1026319), (28483, 733085), (142415, 146617)]