20418420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30937}}^1$

素因数の和:30960

約数の個数: 48

約数和(自身を含む): 62371008

約数和(自身を除く): 41952588

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 30937, 61874, 92811, 123748, 154685, 185622, 309370, 340307, 371244, 464055, 618740, 680614, 928110, 1020921, 1361228, 1701535, 1856220, 2041842, 3403070, 4083684, 5104605, 6806140, 10209210, 20418420]

約数ペア:

[(1, 20418420), (2, 10209210), (3, 6806140), (4, 5104605), (5, 4083684), (6, 3403070), (10, 2041842), (11, 1856220), (12, 1701535), (15, 1361228), (20, 1020921), (22, 928110), (30, 680614), (33, 618740), (44, 464055), (55, 371244), (60, 340307), (66, 309370), (110, 185622), (132, 154685), (165, 123748), (220, 92811), (330, 61874), (660, 30937)]