20304011

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{643}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 25100544

約数和(自身を除く): 4796533

約数列:

[1, 7, 13, 91, 347, 643, 2429, 4501, 4511, 8359, 31577, 58513, 223121, 1561847, 2900573, 20304011]

約数ペア:

[(1, 20304011), (7, 2900573), (13, 1561847), (91, 223121), (347, 58513), (643, 31577), (2429, 8359), (4501, 4511)]