20089918

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{727}}^1$

素因数の和:1107

約数の個数: 16

約数和(自身を含む): 31004064

約数和(自身を除く): 10914146

約数列:

[1, 2, 41, 82, 337, 674, 727, 1454, 13817, 27634, 29807, 59614, 244999, 489998, 10044959, 20089918]

約数ペア:

[(1, 20089918), (2, 10044959), (41, 489998), (82, 244999), (337, 59614), (674, 29807), (727, 27634), (1454, 13817)]