20973480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15889}}^1$

素因数の和:15914

約数の個数: 64

約数和(自身を含む): 68644800

約数和(自身を除く): 47671320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15889, 31778, 47667, 63556, 79445, 95334, 127112, 158890, 174779, 190668, 238335, 317780, 349558, 381336, 476670, 524337, 635560, 699116, 873895, 953340, 1048674, 1398232, 1747790, 1906680, 2097348, 2621685, 3495580, 4194696, 5243370, 6991160, 10486740, 20973480]

約数ペア:

[(1, 20973480), (2, 10486740), (3, 6991160), (4, 5243370), (5, 4194696), (6, 3495580), (8, 2621685), (10, 2097348), (11, 1906680), (12, 1747790), (15, 1398232), (20, 1048674), (22, 953340), (24, 873895), (30, 699116), (33, 635560), (40, 524337), (44, 476670), (55, 381336), (60, 349558), (66, 317780), (88, 238335), (110, 190668), (120, 174779), (132, 158890), (165, 127112), (220, 95334), (264, 79445), (330, 63556), (440, 47667), (660, 31778), (1320, 15889)]