20079201

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 27302400

約数和(自身を除く): 7223199

約数列:

[1, 3, 89, 157, 267, 471, 479, 1437, 13973, 41919, 42631, 75203, 127893, 225609, 6693067, 20079201]

約数ペア:

[(1, 20079201), (3, 6693067), (89, 225609), (157, 127893), (267, 75203), (471, 42631), (479, 41919), (1437, 13973)]