20803839

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{11131}}^1$

素因数の和:11230

約数の個数: 16

約数和(自身を含む): 32060160

約数和(自身を除く): 11256321

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 11131, 33393, 77917, 233751, 990659, 2971977, 6934613, 20803839]

約数ペア:

[(1, 20803839), (3, 6934613), (7, 2971977), (21, 990659), (89, 233751), (267, 77917), (623, 33393), (1869, 11131)]