20526996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5683}}^1$

素因数の和:5740

約数の個数: 48

約数和(自身を含む): 56021504

約数和(自身を除く): 35494508

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5683, 11366, 17049, 22732, 34098, 39781, 68196, 79562, 119343, 159124, 238686, 244369, 477372, 488738, 733107, 977476, 1466214, 1710583, 2932428, 3421166, 5131749, 6842332, 10263498, 20526996]

約数ペア:

[(1, 20526996), (2, 10263498), (3, 6842332), (4, 5131749), (6, 3421166), (7, 2932428), (12, 1710583), (14, 1466214), (21, 977476), (28, 733107), (42, 488738), (43, 477372), (84, 244369), (86, 238686), (129, 159124), (172, 119343), (258, 79562), (301, 68196), (516, 39781), (602, 34098), (903, 22732), (1204, 17049), (1806, 11366), (3612, 5683)]