20248305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 41361408

約数和(自身を除く): 21113103

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 47, 55, 77, 105, 141, 165, 231, 235, 329, 373, 385, 517, 705, 987, 1119, 1155, 1551, 1645, 1865, 2585, 2611, 3619, 4103, 4935, 5595, 7755, 7833, 10857, 12309, 13055, 17531, 18095, 20515, 28721, 39165, 52593, 54285, 61545, 86163, 87655, 122717, 143605, 192841, 262965, 368151, 430815, 578523, 613585, 964205, 1349887, 1840755, 2892615, 4049661, 6749435, 20248305]

約数ペア:

[(1, 20248305), (3, 6749435), (5, 4049661), (7, 2892615), (11, 1840755), (15, 1349887), (21, 964205), (33, 613585), (35, 578523), (47, 430815), (55, 368151), (77, 262965), (105, 192841), (141, 143605), (165, 122717), (231, 87655), (235, 86163), (329, 61545), (373, 54285), (385, 52593), (517, 39165), (705, 28721), (987, 20515), (1119, 18095), (1155, 17531), (1551, 13055), (1645, 12309), (1865, 10857), (2585, 7833), (2611, 7755), (3619, 5595), (4103, 4935)]