20668029

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5107}}^1$

素因数の和:5200

約数の個数: 16

約数和(自身を含む): 29422080

約数和(自身を除く): 8754051

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 5107, 15321, 97033, 291099, 362597, 1087791, 6889343, 20668029]

約数ペア:

[(1, 20668029), (3, 6889343), (19, 1087791), (57, 362597), (71, 291099), (213, 97033), (1349, 15321), (4047, 5107)]