20081985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17387}}^1$

素因数の和:17413

約数の個数: 32

約数和(自身を含む): 40061952

約数和(自身を除く): 19979967

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17387, 52161, 86935, 121709, 191257, 260805, 365127, 573771, 608545, 956285, 1338799, 1825635, 2868855, 4016397, 6693995, 20081985]

約数ペア:

[(1, 20081985), (3, 6693995), (5, 4016397), (7, 2868855), (11, 1825635), (15, 1338799), (21, 956285), (33, 608545), (35, 573771), (55, 365127), (77, 260805), (105, 191257), (165, 121709), (231, 86935), (385, 52161), (1155, 17387)]