20206827

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2803}}^1$

素因数の和:2904

約数の個数: 20

約数和(自身を含む): 30535560

約数和(自身を除く): 10328733

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 2803, 7209, 8409, 25227, 75681, 227043, 249467, 748401, 2245203, 6735609, 20206827]

約数ペア:

[(1, 20206827), (3, 6735609), (9, 2245203), (27, 748401), (81, 249467), (89, 227043), (267, 75681), (801, 25227), (2403, 8409), (2803, 7209)]