20316195

素因数分解:

$3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1889}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 35380800

約数和(自身を除く): 15064605

約数列:

[1, 3, 5, 9, 15, 45, 239, 717, 1195, 1889, 2151, 3585, 5667, 9445, 10755, 17001, 28335, 85005, 451471, 1354413, 2257355, 4063239, 6772065, 20316195]

約数ペア:

[(1, 20316195), (3, 6772065), (5, 4063239), (9, 2257355), (15, 1354413), (45, 451471), (239, 85005), (717, 28335), (1195, 17001), (1889, 10755), (2151, 9445), (3585, 5667)]