20104857

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 29922048

約数和(自身を除く): 9817191

約数列:

[1, 3, 9, 71, 73, 213, 219, 431, 639, 657, 1293, 3879, 5183, 15549, 30601, 31463, 46647, 91803, 94389, 275409, 283167, 2233873, 6701619, 20104857]

約数ペア:

[(1, 20104857), (3, 6701619), (9, 2233873), (71, 283167), (73, 275409), (213, 94389), (219, 91803), (431, 46647), (639, 31463), (657, 30601), (1293, 15549), (3879, 5183)]