20719944

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{839}}^1$

素因数の和:872

約数の個数: 96

約数和(自身を含む): 65520000

約数和(自身を除く): 44800056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 343, 392, 441, 504, 588, 686, 839, 882, 1029, 1176, 1372, 1678, 1764, 2058, 2517, 2744, 3087, 3356, 3528, 4116, 5034, 5873, 6174, 6712, 7551, 8232, 10068, 11746, 12348, 15102, 17619, 20136, 23492, 24696, 30204, 35238, 41111, 46984, 52857, 60408, 70476, 82222, 105714, 123333, 140952, 164444, 211428, 246666, 287777, 328888, 369999, 422856, 493332, 575554, 739998, 863331, 986664, 1151108, 1479996, 1726662, 2302216, 2589993, 2959992, 3453324, 5179986, 6906648, 10359972, 20719944]

約数ペア:

[(1, 20719944), (2, 10359972), (3, 6906648), (4, 5179986), (6, 3453324), (7, 2959992), (8, 2589993), (9, 2302216), (12, 1726662), (14, 1479996), (18, 1151108), (21, 986664), (24, 863331), (28, 739998), (36, 575554), (42, 493332), (49, 422856), (56, 369999), (63, 328888), (72, 287777), (84, 246666), (98, 211428), (126, 164444), (147, 140952), (168, 123333), (196, 105714), (252, 82222), (294, 70476), (343, 60408), (392, 52857), (441, 46984), (504, 41111), (588, 35238), (686, 30204), (839, 24696), (882, 23492), (1029, 20136), (1176, 17619), (1372, 15102), (1678, 12348), (1764, 11746), (2058, 10068), (2517, 8232), (2744, 7551), (3087, 6712), (3356, 6174), (3528, 5873), (4116, 5034)]