20570493

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2707}}^1$

素因数の和:2876

約数の個数: 16

約数和(自身を含む): 29246400

約数和(自身を除く): 8675907

約数列:

[1, 3, 17, 51, 149, 447, 2533, 2707, 7599, 8121, 46019, 138057, 403343, 1210029, 6856831, 20570493]

約数ペア:

[(1, 20570493), (3, 6856831), (17, 1210029), (51, 403343), (149, 138057), (447, 46019), (2533, 8121), (2707, 7599)]