20913201

素因数分解:

$3^3\times {\mathrm{523}}^1\times {\mathrm{1481}}^1$

素因数の和:2013

約数の個数: 16

約数和(自身を含む): 31062720

約数和(自身を除く): 10149519

約数列:

[1, 3, 9, 27, 523, 1481, 1569, 4443, 4707, 13329, 14121, 39987, 774563, 2323689, 6971067, 20913201]

約数ペア:

[(1, 20913201), (3, 6971067), (9, 2323689), (27, 774563), (523, 39987), (1481, 14121), (1569, 13329), (4443, 4707)]