20663424

素因数分解:

$2^7\times 3^4\times {\mathrm{1993}}^1$

素因数の和:2019

約数の個数: 80

約数和(自身を含む): 61524870

約数和(自身を除く): 40861446

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 1993, 2592, 3456, 3986, 5184, 5979, 7972, 10368, 11958, 15944, 17937, 23916, 31888, 35874, 47832, 53811, 63776, 71748, 95664, 107622, 127552, 143496, 161433, 191328, 215244, 255104, 286992, 322866, 382656, 430488, 573984, 645732, 765312, 860976, 1147968, 1291464, 1721952, 2295936, 2582928, 3443904, 5165856, 6887808, 10331712, 20663424]

約数ペア:

[(1, 20663424), (2, 10331712), (3, 6887808), (4, 5165856), (6, 3443904), (8, 2582928), (9, 2295936), (12, 1721952), (16, 1291464), (18, 1147968), (24, 860976), (27, 765312), (32, 645732), (36, 573984), (48, 430488), (54, 382656), (64, 322866), (72, 286992), (81, 255104), (96, 215244), (108, 191328), (128, 161433), (144, 143496), (162, 127552), (192, 107622), (216, 95664), (288, 71748), (324, 63776), (384, 53811), (432, 47832), (576, 35874), (648, 31888), (864, 23916), (1152, 17937), (1296, 15944), (1728, 11958), (1993, 10368), (2592, 7972), (3456, 5979), (3986, 5184)]