20317629

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{659}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 27878400

約数和(自身を除く): 7560771

約数列:

[1, 3, 43, 129, 239, 659, 717, 1977, 10277, 28337, 30831, 85011, 157501, 472503, 6772543, 20317629]

約数ペア:

[(1, 20317629), (3, 6772543), (43, 472503), (129, 157501), (239, 85011), (659, 30831), (717, 28337), (1977, 10277)]