20787033

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 28313600

約数和(自身を除く): 7526567

約数列:

[1, 3, 79, 139, 237, 417, 631, 1893, 10981, 32943, 49849, 87709, 149547, 263127, 6929011, 20787033]

約数ペア:

[(1, 20787033), (3, 6929011), (79, 263127), (139, 149547), (237, 87709), (417, 49849), (631, 32943), (1893, 10981)]