20028855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17341}}^1$

素因数の和:17367

約数の個数: 32

約数和(自身を含む): 39955968

約数和(自身を除く): 19927113

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17341, 52023, 86705, 121387, 190751, 260115, 364161, 572253, 606935, 953755, 1335257, 1820805, 2861265, 4005771, 6676285, 20028855]

約数ペア:

[(1, 20028855), (3, 6676285), (5, 4005771), (7, 2861265), (11, 1820805), (15, 1335257), (21, 953755), (33, 606935), (35, 572253), (55, 364161), (77, 260115), (105, 190751), (165, 121387), (231, 86705), (385, 52023), (1155, 17341)]