20216364

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 57361920

約数和(自身を除く): 37145556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 43, 58, 84, 86, 87, 116, 129, 172, 174, 193, 203, 258, 301, 348, 386, 406, 516, 579, 602, 609, 772, 812, 903, 1158, 1204, 1218, 1247, 1351, 1806, 2316, 2436, 2494, 2702, 3612, 3741, 4053, 4988, 5404, 5597, 7482, 8106, 8299, 8729, 11194, 14964, 16212, 16598, 16791, 17458, 22388, 24897, 26187, 33196, 33582, 34916, 39179, 49794, 52374, 58093, 67164, 78358, 99588, 104748, 116186, 117537, 156716, 174279, 232372, 235074, 240671, 348558, 470148, 481342, 697116, 722013, 962684, 1444026, 1684697, 2888052, 3369394, 5054091, 6738788, 10108182, 20216364]

約数ペア:

[(1, 20216364), (2, 10108182), (3, 6738788), (4, 5054091), (6, 3369394), (7, 2888052), (12, 1684697), (14, 1444026), (21, 962684), (28, 722013), (29, 697116), (42, 481342), (43, 470148), (58, 348558), (84, 240671), (86, 235074), (87, 232372), (116, 174279), (129, 156716), (172, 117537), (174, 116186), (193, 104748), (203, 99588), (258, 78358), (301, 67164), (348, 58093), (386, 52374), (406, 49794), (516, 39179), (579, 34916), (602, 33582), (609, 33196), (772, 26187), (812, 24897), (903, 22388), (1158, 17458), (1204, 16791), (1218, 16598), (1247, 16212), (1351, 14964), (1806, 11194), (2316, 8729), (2436, 8299), (2494, 8106), (2702, 7482), (3612, 5597), (3741, 5404), (4053, 4988)]