20512114931

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{89363}}^1$

素因数の和:89663

約数の個数: 24

約数和(自身を含む): 25862656512

約数和(自身を除く): 5350541581

約数列:

[1, 7, 11, 77, 121, 271, 847, 1897, 2981, 20867, 32791, 89363, 229537, 625541, 982993, 6880951, 10812923, 24217373, 75690461, 169521611, 266391103, 1864737721, 2930302133, 20512114931]

約数ペア:

[(1, 20512114931), (7, 2930302133), (11, 1864737721), (77, 266391103), (121, 169521611), (271, 75690461), (847, 24217373), (1897, 10812923), (2981, 6880951), (20867, 982993), (32791, 625541), (89363, 229537)]