20659522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 36191232

約数和(自身を除く): 15531710

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 221, 442, 559, 731, 1087, 1118, 1462, 2174, 9503, 14131, 18479, 19006, 28262, 36958, 46741, 93482, 240227, 480454, 607633, 794597, 1215266, 1589194, 10329761, 20659522]

約数ペア:

[(1, 20659522), (2, 10329761), (13, 1589194), (17, 1215266), (26, 794597), (34, 607633), (43, 480454), (86, 240227), (221, 93482), (442, 46741), (559, 36958), (731, 28262), (1087, 19006), (1118, 18479), (1462, 14131), (2174, 9503)]