20764533951

素因数分解:

$3^5\times 7^2\times {\mathrm{103}}^1\times {\mathrm{16931}}^1$

素因数の和:17063

約数の個数: 72

約数和(自身を含む): 36535734144

約数和(自身を除く): 15771200193

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 103, 147, 189, 243, 309, 441, 567, 721, 927, 1323, 1701, 2163, 2781, 3969, 5047, 6489, 8343, 11907, 15141, 16931, 19467, 25029, 45423, 50793, 58401, 118517, 136269, 152379, 175203, 355551, 408807, 457137, 829619, 1066653, 1226421, 1371411, 1743893, 2488857, 3199959, 4114233, 5231679, 7466571, 9599877, 12207251, 15695037, 22399713, 28799631, 36621753, 47085111, 67199139, 85450757, 109865259, 141255333, 201597417, 256352271, 329595777, 423765999, 769056813, 988787331, 2307170439, 2966361993, 6921511317, 20764533951]

約数ペア:

[(1, 20764533951), (3, 6921511317), (7, 2966361993), (9, 2307170439), (21, 988787331), (27, 769056813), (49, 423765999), (63, 329595777), (81, 256352271), (103, 201597417), (147, 141255333), (189, 109865259), (243, 85450757), (309, 67199139), (441, 47085111), (567, 36621753), (721, 28799631), (927, 22399713), (1323, 15695037), (1701, 12207251), (2163, 9599877), (2781, 7466571), (3969, 5231679), (5047, 4114233), (6489, 3199959), (8343, 2488857), (11907, 1743893), (15141, 1371411), (16931, 1226421), (19467, 1066653), (25029, 829619), (45423, 457137), (50793, 408807), (58401, 355551), (118517, 175203), (136269, 152379)]