20591496

素因数分解:

$2^3\times 3^4\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:800

約数の個数: 80

約数和(自身を含む): 59096400

約数和(自身を除く): 38504904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 81, 86, 108, 129, 162, 172, 216, 258, 324, 344, 387, 516, 648, 739, 774, 1032, 1161, 1478, 1548, 2217, 2322, 2956, 3096, 3483, 4434, 4644, 5912, 6651, 6966, 8868, 9288, 13302, 13932, 17736, 19953, 26604, 27864, 31777, 39906, 53208, 59859, 63554, 79812, 95331, 119718, 127108, 159624, 190662, 239436, 254216, 285993, 381324, 478872, 571986, 762648, 857979, 1143972, 1715958, 2287944, 2573937, 3431916, 5147874, 6863832, 10295748, 20591496]

約数ペア:

[(1, 20591496), (2, 10295748), (3, 6863832), (4, 5147874), (6, 3431916), (8, 2573937), (9, 2287944), (12, 1715958), (18, 1143972), (24, 857979), (27, 762648), (36, 571986), (43, 478872), (54, 381324), (72, 285993), (81, 254216), (86, 239436), (108, 190662), (129, 159624), (162, 127108), (172, 119718), (216, 95331), (258, 79812), (324, 63554), (344, 59859), (387, 53208), (516, 39906), (648, 31777), (739, 27864), (774, 26604), (1032, 19953), (1161, 17736), (1478, 13932), (1548, 13302), (2217, 9288), (2322, 8868), (2956, 6966), (3096, 6651), (3483, 5912), (4434, 4644)]