20579421

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1376

約数の個数: 16

約数和(自身を含む): 28200960

約数和(自身を除く): 7621539

約数列:

[1, 3, 71, 79, 213, 237, 1223, 3669, 5609, 16827, 86833, 96617, 260499, 289851, 6859807, 20579421]

約数ペア:

[(1, 20579421), (3, 6859807), (71, 289851), (79, 260499), (213, 96617), (237, 86833), (1223, 16827), (3669, 5609)]