20543050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 22204214

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 205, 275, 410, 451, 550, 902, 911, 1025, 1822, 2050, 2255, 4510, 4555, 9110, 10021, 11275, 20042, 22550, 22775, 37351, 45550, 50105, 74702, 100210, 186755, 250525, 373510, 410861, 501050, 821722, 933775, 1867550, 2054305, 4108610, 10271525, 20543050]

約数ペア:

[(1, 20543050), (2, 10271525), (5, 4108610), (10, 2054305), (11, 1867550), (22, 933775), (25, 821722), (41, 501050), (50, 410861), (55, 373510), (82, 250525), (110, 186755), (205, 100210), (275, 74702), (410, 50105), (451, 45550), (550, 37351), (902, 22775), (911, 22550), (1025, 20042), (1822, 11275), (2050, 10021), (2255, 9110), (4510, 4555)]