20773761

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 30351360

約数和(自身を除く): 9577599

約数列:

[1, 3, 23, 37, 69, 79, 103, 111, 237, 309, 851, 1817, 2369, 2553, 2923, 3811, 5451, 7107, 8137, 8769, 11433, 24411, 67229, 87653, 187151, 201687, 262959, 301069, 561453, 903207, 6924587, 20773761]

約数ペア:

[(1, 20773761), (3, 6924587), (23, 903207), (37, 561453), (69, 301069), (79, 262959), (103, 201687), (111, 187151), (237, 87653), (309, 67229), (851, 24411), (1817, 11433), (2369, 8769), (2553, 8137), (2923, 7107), (3811, 5451)]