20047065

素因数分解:

$3^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{2657}}^1$

素因数の和:3168

約数の個数: 16

約数和(自身を含む): 32151168

約数和(自身を除く): 12104103

約数列:

[1, 3, 5, 15, 503, 1509, 2515, 2657, 7545, 7971, 13285, 39855, 1336471, 4009413, 6682355, 20047065]

約数ペア:

[(1, 20047065), (3, 6682355), (5, 4009413), (15, 1336471), (503, 39855), (1509, 13285), (2515, 7971), (2657, 7545)]