20857575655

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{443731}}^1$

素因数の和:443839

約数の個数: 32

約数和(自身を含む): 30670755840

約数和(自身を除く): 9813180185

約数列:

[1, 5, 7, 17, 35, 79, 85, 119, 395, 553, 595, 1343, 2765, 6715, 9401, 47005, 443731, 2218655, 3106117, 7543427, 15530585, 35054749, 37717135, 52803989, 175273745, 245383243, 264019945, 595930733, 1226916215, 2979653665, 4171515131, 20857575655]

約数ペア:

[(1, 20857575655), (5, 4171515131), (7, 2979653665), (17, 1226916215), (35, 595930733), (79, 264019945), (85, 245383243), (119, 175273745), (395, 52803989), (553, 37717135), (595, 35054749), (1343, 15530585), (2765, 7543427), (6715, 3106117), (9401, 2218655), (47005, 443731)]