20122493870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2971}}^1\times {\mathrm{39841}}^1$

素因数の和:42836

約数の個数: 32

約数和(自身を含む): 38364977376

約数和(自身を除く): 18242483506

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 2971, 5942, 14855, 29710, 39841, 50507, 79682, 101014, 199205, 252535, 398410, 505070, 677297, 1354594, 3386485, 6772970, 118367611, 236735222, 591838055, 1183676110, 2012249387, 4024498774, 10061246935, 20122493870]

約数ペア:

[(1, 20122493870), (2, 10061246935), (5, 4024498774), (10, 2012249387), (17, 1183676110), (34, 591838055), (85, 236735222), (170, 118367611), (2971, 6772970), (5942, 3386485), (14855, 1354594), (29710, 677297), (39841, 505070), (50507, 398410), (79682, 252535), (101014, 199205)]