20791838

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{1117}}^1$

素因数の和:1387

約数の個数: 16

約数和(自身を含む): 32117904

約数和(自身を除く): 11326066

約数列:

[1, 2, 41, 82, 227, 454, 1117, 2234, 9307, 18614, 45797, 91594, 253559, 507118, 10395919, 20791838]

約数ペア:

[(1, 20791838), (2, 10395919), (41, 507118), (82, 253559), (227, 91594), (454, 45797), (1117, 18614), (2234, 9307)]