20201021601

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{21589}}^1$

素因数の和:21877

約数の個数: 32

約数和(自身を含む): 28652175360

約数和(自身を除く): 8451153759

約数列:

[1, 3, 23, 69, 71, 191, 213, 573, 1633, 4393, 4899, 13179, 13561, 21589, 40683, 64767, 311903, 496547, 935709, 1489641, 1532819, 4123499, 4598457, 12370497, 35254837, 94840477, 105764511, 284521431, 292768429, 878305287, 6733673867, 20201021601]

約数ペア:

[(1, 20201021601), (3, 6733673867), (23, 878305287), (69, 292768429), (71, 284521431), (191, 105764511), (213, 94840477), (573, 35254837), (1633, 12370497), (4393, 4598457), (4899, 4123499), (13179, 1532819), (13561, 1489641), (21589, 935709), (40683, 496547), (64767, 311903)]