20451128

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{62351}}^1$

素因数の和:62398

約数の個数: 16

約数和(自身を含む): 39281760

約数和(自身を除く): 18830632

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 62351, 124702, 249404, 498808, 2556391, 5112782, 10225564, 20451128]

約数ペア:

[(1, 20451128), (2, 10225564), (4, 5112782), (8, 2556391), (41, 498808), (82, 249404), (164, 124702), (328, 62351)]