20481846

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1097

約数の個数: 64

約数和(自身を含む): 52310016

約数和(自身を除く): 31828170

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 43, 66, 77, 86, 129, 154, 231, 258, 301, 462, 473, 602, 903, 946, 1031, 1419, 1806, 2062, 2838, 3093, 3311, 6186, 6622, 7217, 9933, 11341, 14434, 19866, 21651, 22682, 34023, 43302, 44333, 68046, 79387, 88666, 132999, 158774, 238161, 265998, 310331, 476322, 487663, 620662, 930993, 975326, 1462989, 1861986, 2925978, 3413641, 6827282, 10240923, 20481846]

約数ペア:

[(1, 20481846), (2, 10240923), (3, 6827282), (6, 3413641), (7, 2925978), (11, 1861986), (14, 1462989), (21, 975326), (22, 930993), (33, 620662), (42, 487663), (43, 476322), (66, 310331), (77, 265998), (86, 238161), (129, 158774), (154, 132999), (231, 88666), (258, 79387), (301, 68046), (462, 44333), (473, 43302), (602, 34023), (903, 22682), (946, 21651), (1031, 19866), (1419, 14434), (1806, 11341), (2062, 9933), (2838, 7217), (3093, 6622), (3311, 6186)]