20971202

素因数分解:

$2^1\times 7^1\times {\mathrm{1091}}^1\times {\mathrm{1373}}^1$

素因数の和:2473

約数の個数: 16

約数和(自身を含む): 36009792

約数和(自身を除く): 15038590

約数列:

[1, 2, 7, 14, 1091, 1373, 2182, 2746, 7637, 9611, 15274, 19222, 1497943, 2995886, 10485601, 20971202]

約数ペア:

[(1, 20971202), (2, 10485601), (7, 2995886), (14, 1497943), (1091, 19222), (1373, 15274), (2182, 9611), (2746, 7637)]