20513376

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5479}}^1$

素因数の和:5508

約数の個数: 72

約数和(自身を含む): 62833680

約数和(自身を除く): 42320304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5479, 10958, 16437, 21916, 32874, 43832, 49311, 65748, 71227, 87664, 98622, 131496, 142454, 175328, 197244, 213681, 262992, 284908, 394488, 427362, 525984, 569816, 641043, 788976, 854724, 1139632, 1282086, 1577952, 1709448, 2279264, 2564172, 3418896, 5128344, 6837792, 10256688, 20513376]

約数ペア:

[(1, 20513376), (2, 10256688), (3, 6837792), (4, 5128344), (6, 3418896), (8, 2564172), (9, 2279264), (12, 1709448), (13, 1577952), (16, 1282086), (18, 1139632), (24, 854724), (26, 788976), (32, 641043), (36, 569816), (39, 525984), (48, 427362), (52, 394488), (72, 284908), (78, 262992), (96, 213681), (104, 197244), (117, 175328), (144, 142454), (156, 131496), (208, 98622), (234, 87664), (288, 71227), (312, 65748), (416, 49311), (468, 43832), (624, 32874), (936, 21916), (1248, 16437), (1872, 10958), (3744, 5479)]