20479893

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1097}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 32044032

約数和(自身を除く): 11564139

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 889, 1097, 2667, 3291, 6223, 7679, 18669, 23037, 53753, 139319, 161259, 417957, 975233, 2925699, 6826631, 20479893]

約数ペア:

[(1, 20479893), (3, 6826631), (7, 2925699), (21, 975233), (49, 417957), (127, 161259), (147, 139319), (381, 53753), (889, 23037), (1097, 18669), (2667, 7679), (3291, 6223)]