20998314

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 47927880

約数和(自身を除く): 26929566

約数列:

[1, 2, 3, 6, 9, 18, 37, 41, 74, 82, 111, 123, 222, 246, 333, 369, 666, 738, 769, 1517, 1538, 2307, 3034, 4551, 4614, 6921, 9102, 13653, 13842, 27306, 28453, 31529, 56906, 63058, 85359, 94587, 170718, 189174, 256077, 283761, 512154, 567522, 1166573, 2333146, 3499719, 6999438, 10499157, 20998314]

約数ペア:

[(1, 20998314), (2, 10499157), (3, 6999438), (6, 3499719), (9, 2333146), (18, 1166573), (37, 567522), (41, 512154), (74, 283761), (82, 256077), (111, 189174), (123, 170718), (222, 94587), (246, 85359), (333, 63058), (369, 56906), (666, 31529), (738, 28453), (769, 27306), (1517, 13842), (1538, 13653), (2307, 9102), (3034, 6921), (4551, 4614)]