20120877085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{56509}}^1$

素因数の和:56661

約数の個数: 32

約数和(自身を含む): 26365305600

約数和(自身を除く): 6244428515

約数列:

[1, 5, 17, 59, 71, 85, 295, 355, 1003, 1207, 4189, 5015, 6035, 20945, 56509, 71213, 282545, 356065, 960653, 3334031, 4012139, 4803265, 16670155, 20060695, 56678527, 68206363, 236716201, 283392635, 341031815, 1183581005, 4024175417, 20120877085]

約数ペア:

[(1, 20120877085), (5, 4024175417), (17, 1183581005), (59, 341031815), (71, 283392635), (85, 236716201), (295, 68206363), (355, 56678527), (1003, 20060695), (1207, 16670155), (4189, 4803265), (5015, 4012139), (6035, 3334031), (20945, 960653), (56509, 356065), (71213, 282545)]