20124881487

素因数分解:

$3^4\times {\mathrm{2309}}^1\times {\mathrm{107603}}^1$

素因数の和:109924

約数の個数: 20

約数和(自身を含む): 30076394040

約数和(自身を除く): 9951512553

約数列:

[1, 3, 9, 27, 81, 2309, 6927, 20781, 62343, 107603, 187029, 322809, 968427, 2905281, 8715843, 248455327, 745365981, 2236097943, 6708293829, 20124881487]

約数ペア:

[(1, 20124881487), (3, 6708293829), (9, 2236097943), (27, 745365981), (81, 248455327), (2309, 8715843), (6927, 2905281), (20781, 968427), (62343, 322809), (107603, 187029)]