20990082

素因数分解:

$2^1\times 3^1\times {\mathrm{523}}^1\times {\mathrm{6689}}^1$

素因数の和:7217

約数の個数: 16

約数和(自身を含む): 42066720

約数和(自身を除く): 21076638

約数列:

[1, 2, 3, 6, 523, 1046, 1569, 3138, 6689, 13378, 20067, 40134, 3498347, 6996694, 10495041, 20990082]

約数ペア:

[(1, 20990082), (2, 10495041), (3, 6996694), (6, 3498347), (523, 40134), (1046, 20067), (1569, 13378), (3138, 6689)]