20321291242

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23795423}}^1$

素因数の和:23795493

約数の個数: 16

約数和(自身を含む): 35407590912

約数和(自身を除く): 15086299670

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23795423, 47590846, 166567961, 333135922, 1451520803, 2903041606, 10160645621, 20321291242]

約数ペア:

[(1, 20321291242), (2, 10160645621), (7, 2903041606), (14, 1451520803), (61, 333135922), (122, 166567961), (427, 47590846), (854, 23795423)]