20144284

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1087}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 36465408

約数和(自身を除く): 16321124

約数列:

[1, 2, 4, 41, 82, 113, 164, 226, 452, 1087, 2174, 4348, 4633, 9266, 18532, 44567, 89134, 122831, 178268, 245662, 491324, 5036071, 10072142, 20144284]

約数ペア:

[(1, 20144284), (2, 10072142), (4, 5036071), (41, 491324), (82, 245662), (113, 178268), (164, 122831), (226, 89134), (452, 44567), (1087, 18532), (2174, 9266), (4348, 4633)]