20163803877

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{814403}}^1$

素因数の和:814550

約数の個数: 32

約数和(自身を含む): 34400424960

約数和(自身を除く): 14236621083

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 917, 1179, 2751, 3537, 8253, 24759, 814403, 2443209, 5700821, 7329627, 17102463, 21988881, 51307389, 106686793, 153922167, 320060379, 746807551, 960181137, 2240422653, 2880543411, 6721267959, 20163803877]

約数ペア:

[(1, 20163803877), (3, 6721267959), (7, 2880543411), (9, 2240422653), (21, 960181137), (27, 746807551), (63, 320060379), (131, 153922167), (189, 106686793), (393, 51307389), (917, 21988881), (1179, 17102463), (2751, 7329627), (3537, 5700821), (8253, 2443209), (24759, 814403)]