20512488073

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{983}}^1\times {\mathrm{271003}}^1$

素因数の和:272004

約数の個数: 16

約数和(自身を含む): 25600121856

約数和(自身を除く): 5087633783

約数列:

[1, 7, 11, 77, 983, 6881, 10813, 75691, 271003, 1897021, 2981033, 20867231, 266395949, 1864771643, 2930355439, 20512488073]

約数ペア:

[(1, 20512488073), (7, 2930355439), (11, 1864771643), (77, 266395949), (983, 20867231), (6881, 2981033), (10813, 1897021), (75691, 271003)]