20805510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{941}}^1$

素因数の和:1029

約数の個数: 64

約数和(自身を含む): 55344384

約数和(自身を除く): 34538874

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 67, 110, 134, 165, 201, 330, 335, 402, 670, 737, 941, 1005, 1474, 1882, 2010, 2211, 2823, 3685, 4422, 4705, 5646, 7370, 9410, 10351, 11055, 14115, 20702, 22110, 28230, 31053, 51755, 62106, 63047, 103510, 126094, 155265, 189141, 310530, 315235, 378282, 630470, 693517, 945705, 1387034, 1891410, 2080551, 3467585, 4161102, 6935170, 10402755, 20805510]

約数ペア:

[(1, 20805510), (2, 10402755), (3, 6935170), (5, 4161102), (6, 3467585), (10, 2080551), (11, 1891410), (15, 1387034), (22, 945705), (30, 693517), (33, 630470), (55, 378282), (66, 315235), (67, 310530), (110, 189141), (134, 155265), (165, 126094), (201, 103510), (330, 63047), (335, 62106), (402, 51755), (670, 31053), (737, 28230), (941, 22110), (1005, 20702), (1474, 14115), (1882, 11055), (2010, 10351), (2211, 9410), (2823, 7370), (3685, 5646), (4422, 4705)]