20494022

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{859}}^1$

素因数の和:1091

約数の個数: 16

約数和(自身を含む): 31372800

約数和(自身を除く): 10878778

約数列:

[1, 2, 79, 151, 158, 302, 859, 1718, 11929, 23858, 67861, 129709, 135722, 259418, 10247011, 20494022]

約数ペア:

[(1, 20494022), (2, 10247011), (79, 259418), (151, 135722), (158, 129709), (302, 67861), (859, 23858), (1718, 11929)]