20161941

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{919}}^1$

素因数の和:1096

約数の個数: 16

約数和(自身を含む): 27555840

約数和(自身を除く): 7393899

約数列:

[1, 3, 71, 103, 213, 309, 919, 2757, 7313, 21939, 65249, 94657, 195747, 283971, 6720647, 20161941]

約数ペア:

[(1, 20161941), (3, 6720647), (71, 283971), (103, 195747), (213, 94657), (309, 65249), (919, 21939), (2757, 7313)]