20336729

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 23915136

約数和(自身を除く): 3578407

約数列:

[1, 7, 61, 97, 427, 491, 679, 3437, 5917, 29951, 41419, 47627, 209657, 333389, 2905247, 20336729]

約数ペア:

[(1, 20336729), (7, 2905247), (61, 333389), (97, 209657), (427, 47627), (491, 41419), (679, 29951), (3437, 5917)]