20245170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2031

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 34497870

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 55, 62, 66, 93, 110, 155, 165, 186, 310, 330, 341, 465, 682, 930, 1023, 1705, 1979, 2046, 3410, 3958, 5115, 5937, 9895, 10230, 11874, 19790, 21769, 29685, 43538, 59370, 61349, 65307, 108845, 122698, 130614, 184047, 217690, 306745, 326535, 368094, 613490, 653070, 674839, 920235, 1349678, 1840470, 2024517, 3374195, 4049034, 6748390, 10122585, 20245170]

約数ペア:

[(1, 20245170), (2, 10122585), (3, 6748390), (5, 4049034), (6, 3374195), (10, 2024517), (11, 1840470), (15, 1349678), (22, 920235), (30, 674839), (31, 653070), (33, 613490), (55, 368094), (62, 326535), (66, 306745), (93, 217690), (110, 184047), (155, 130614), (165, 122698), (186, 108845), (310, 65307), (330, 61349), (341, 59370), (465, 43538), (682, 29685), (930, 21769), (1023, 19790), (1705, 11874), (1979, 10230), (2046, 9895), (3410, 5937), (3958, 5115)]