20206053

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{919}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 33488000

約数和(自身を除く): 13281947

約数列:

[1, 3, 7, 9, 21, 63, 349, 919, 1047, 2443, 2757, 3141, 6433, 7329, 8271, 19299, 21987, 57897, 320731, 962193, 2245117, 2886579, 6735351, 20206053]

約数ペア:

[(1, 20206053), (3, 6735351), (7, 2886579), (9, 2245117), (21, 962193), (63, 320731), (349, 57897), (919, 21987), (1047, 19299), (2443, 8271), (2757, 7329), (3141, 6433)]