20670444

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4451}}^1$

素因数の和:4507

約数の個数: 48

約数和(自身を含む): 54848640

約数和(自身を除く): 34178196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4451, 4644, 8902, 13353, 17804, 26706, 40059, 53412, 80118, 120177, 160236, 191393, 240354, 382786, 480708, 574179, 765572, 1148358, 1722537, 2296716, 3445074, 5167611, 6890148, 10335222, 20670444]

約数ペア:

[(1, 20670444), (2, 10335222), (3, 6890148), (4, 5167611), (6, 3445074), (9, 2296716), (12, 1722537), (18, 1148358), (27, 765572), (36, 574179), (43, 480708), (54, 382786), (86, 240354), (108, 191393), (129, 160236), (172, 120177), (258, 80118), (387, 53412), (516, 40059), (774, 26706), (1161, 17804), (1548, 13353), (2322, 8902), (4451, 4644)]