13478020

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{907}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 28373184

約数和(自身を除く): 14895164

約数列:

[1, 2, 4, 5, 10, 20, 743, 907, 1486, 1814, 2972, 3628, 3715, 4535, 7430, 9070, 14860, 18140, 673901, 1347802, 2695604, 3369505, 6739010, 13478020]

約数ペア:

[(1, 13478020), (2, 6739010), (4, 3369505), (5, 2695604), (10, 1347802), (20, 673901), (743, 18140), (907, 14860), (1486, 9070), (1814, 7430), (2972, 4535), (3628, 3715)]