20249242

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:598

約数の個数: 24

約数和(自身を含む): 33203520

約数和(自身を除く): 12954278

約数列:

[1, 2, 13, 26, 139, 169, 278, 338, 431, 862, 1807, 3614, 5603, 11206, 23491, 46982, 59909, 72839, 119818, 145678, 778817, 1557634, 10124621, 20249242]

約数ペア:

[(1, 20249242), (2, 10124621), (13, 1557634), (26, 778817), (139, 145678), (169, 119818), (278, 72839), (338, 59909), (431, 46982), (862, 23491), (1807, 11206), (3614, 5603)]