20624877

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25183}}^1$

素因数の和:25209

約数の個数: 24

約数和(自身を含む): 36667904

約数和(自身を除く): 16043027

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 25183, 75549, 176281, 226647, 327379, 528843, 982137, 1586529, 2291653, 2946411, 6874959, 20624877]

約数ペア:

[(1, 20624877), (3, 6874959), (7, 2946411), (9, 2291653), (13, 1586529), (21, 982137), (39, 528843), (63, 327379), (91, 226647), (117, 176281), (273, 75549), (819, 25183)]