20172909

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{9431}}^1$

素因数の和:9488

約数の個数: 16

約数和(自身を含む): 28975104

約数和(自身を除く): 8802195

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 9431, 28293, 216913, 292361, 650739, 877083, 6724303, 20172909]

約数ペア:

[(1, 20172909), (3, 6724303), (23, 877083), (31, 650739), (69, 292361), (93, 216913), (713, 28293), (2139, 9431)]