20626964

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:859

約数の個数: 24

約数和(自身を含む): 37081800

約数和(自身を除く): 16454836

約数列:

[1, 2, 4, 53, 106, 149, 212, 298, 596, 653, 1306, 2612, 7897, 15794, 31588, 34609, 69218, 97297, 138436, 194594, 389188, 5156741, 10313482, 20626964]

約数ペア:

[(1, 20626964), (2, 10313482), (4, 5156741), (53, 389188), (106, 194594), (149, 138436), (212, 97297), (298, 69218), (596, 34609), (653, 31588), (1306, 15794), (2612, 7897)]