20147830960

素因数分解:

$2^4\times 5^1\times {\mathrm{23557}}^1\times {\mathrm{10691}}^1$

素因数の和:34261

約数の個数: 40

約数和(自身を含む): 46850077296

約数和(自身を除く): 26702246336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10691, 21382, 23557, 42764, 47114, 53455, 85528, 94228, 106910, 117785, 171056, 188456, 213820, 235570, 376912, 427640, 471140, 855280, 942280, 1884560, 251847887, 503695774, 1007391548, 1259239435, 2014783096, 2518478870, 4029566192, 5036957740, 10073915480, 20147830960]

約数ペア:

[(1, 20147830960), (2, 10073915480), (4, 5036957740), (5, 4029566192), (8, 2518478870), (10, 2014783096), (16, 1259239435), (20, 1007391548), (40, 503695774), (80, 251847887), (10691, 1884560), (21382, 942280), (23557, 855280), (42764, 471140), (47114, 427640), (53455, 376912), (85528, 235570), (94228, 213820), (106910, 188456), (117785, 171056)]