20488971

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1061}}^1$

素因数の和:1262

約数の個数: 16

約数和(自身を含む): 28189728

約数和(自身を除く): 7700757

約数列:

[1, 3, 41, 123, 157, 471, 1061, 3183, 6437, 19311, 43501, 130503, 166577, 499731, 6829657, 20488971]

約数ペア:

[(1, 20488971), (3, 6829657), (41, 499731), (123, 166577), (157, 130503), (471, 43501), (1061, 19311), (3183, 6437)]