20826792

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 68159520

約数和(自身を除く): 47332728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 43, 56, 62, 63, 72, 84, 86, 93, 124, 126, 129, 168, 172, 186, 217, 248, 252, 258, 279, 301, 344, 372, 387, 434, 504, 516, 558, 602, 651, 744, 774, 868, 903, 961, 1032, 1116, 1204, 1302, 1333, 1548, 1736, 1806, 1922, 1953, 2232, 2408, 2604, 2666, 2709, 2883, 3096, 3612, 3844, 3906, 3999, 5208, 5332, 5418, 5766, 6727, 7224, 7688, 7812, 7998, 8649, 9331, 10664, 10836, 11532, 11997, 13454, 15624, 15996, 17298, 18662, 20181, 21672, 23064, 23994, 26908, 27993, 31992, 34596, 37324, 40362, 41323, 47988, 53816, 55986, 60543, 69192, 74648, 80724, 82646, 83979, 95976, 111972, 121086, 123969, 161448, 165292, 167958, 223944, 242172, 247938, 289261, 330584, 335916, 371907, 484344, 495876, 578522, 671832, 743814, 867783, 991752, 1157044, 1487628, 1735566, 2314088, 2603349, 2975256, 3471132, 5206698, 6942264, 10413396, 20826792]

約数ペア:

[(1, 20826792), (2, 10413396), (3, 6942264), (4, 5206698), (6, 3471132), (7, 2975256), (8, 2603349), (9, 2314088), (12, 1735566), (14, 1487628), (18, 1157044), (21, 991752), (24, 867783), (28, 743814), (31, 671832), (36, 578522), (42, 495876), (43, 484344), (56, 371907), (62, 335916), (63, 330584), (72, 289261), (84, 247938), (86, 242172), (93, 223944), (124, 167958), (126, 165292), (129, 161448), (168, 123969), (172, 121086), (186, 111972), (217, 95976), (248, 83979), (252, 82646), (258, 80724), (279, 74648), (301, 69192), (344, 60543), (372, 55986), (387, 53816), (434, 47988), (504, 41323), (516, 40362), (558, 37324), (602, 34596), (651, 31992), (744, 27993), (774, 26908), (868, 23994), (903, 23064), (961, 21672), (1032, 20181), (1116, 18662), (1204, 17298), (1302, 15996), (1333, 15624), (1548, 13454), (1736, 11997), (1806, 11532), (1922, 10836), (1953, 10664), (2232, 9331), (2408, 8649), (2604, 7998), (2666, 7812), (2709, 7688), (2883, 7224), (3096, 6727), (3612, 5766), (3844, 5418), (3906, 5332), (3999, 5208)]