20974658907

素因数分解:

$3^1\times {\mathrm{163}}^1\times {\mathrm{2129}}^1\times {\mathrm{20147}}^1$

素因数の和:22442

約数の個数: 16

約数和(自身を含む): 28152397440

約数和(自身を除く): 7177738533

約数列:

[1, 3, 163, 489, 2129, 6387, 20147, 60441, 347027, 1041081, 3283961, 9851883, 42892963, 128678889, 6991552969, 20974658907]

約数ペア:

[(1, 20974658907), (3, 6991552969), (163, 128678889), (489, 42892963), (2129, 9851883), (6387, 3283961), (20147, 1041081), (60441, 347027)]