20717871

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4229}}^1$

素因数の和:4326

約数の個数: 16

約数和(自身を含む): 29237760

約数和(自身を除く): 8519889

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4229, 4899, 12687, 97267, 291801, 300259, 900777, 6905957, 20717871]

約数ペア:

[(1, 20717871), (3, 6905957), (23, 900777), (69, 300259), (71, 291801), (213, 97267), (1633, 12687), (4229, 4899)]