20695248

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{419}}^1$

素因数の和:454

約数の個数: 120

約数和(自身を含む): 67704000

約数和(自身を除く): 47008752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 343, 392, 419, 441, 504, 588, 686, 784, 838, 882, 1008, 1029, 1176, 1257, 1372, 1676, 1764, 2058, 2352, 2514, 2744, 2933, 3087, 3352, 3528, 3771, 4116, 5028, 5488, 5866, 6174, 6704, 7056, 7542, 8232, 8799, 10056, 11732, 12348, 15084, 16464, 17598, 20112, 20531, 23464, 24696, 26397, 30168, 35196, 41062, 46928, 49392, 52794, 60336, 61593, 70392, 82124, 105588, 123186, 140784, 143717, 164248, 184779, 211176, 246372, 287434, 328496, 369558, 422352, 431151, 492744, 574868, 739116, 862302, 985488, 1149736, 1293453, 1478232, 1724604, 2299472, 2586906, 2956464, 3449208, 5173812, 6898416, 10347624, 20695248]

約数ペア:

[(1, 20695248), (2, 10347624), (3, 6898416), (4, 5173812), (6, 3449208), (7, 2956464), (8, 2586906), (9, 2299472), (12, 1724604), (14, 1478232), (16, 1293453), (18, 1149736), (21, 985488), (24, 862302), (28, 739116), (36, 574868), (42, 492744), (48, 431151), (49, 422352), (56, 369558), (63, 328496), (72, 287434), (84, 246372), (98, 211176), (112, 184779), (126, 164248), (144, 143717), (147, 140784), (168, 123186), (196, 105588), (252, 82124), (294, 70392), (336, 61593), (343, 60336), (392, 52794), (419, 49392), (441, 46928), (504, 41062), (588, 35196), (686, 30168), (784, 26397), (838, 24696), (882, 23464), (1008, 20531), (1029, 20112), (1176, 17598), (1257, 16464), (1372, 15084), (1676, 12348), (1764, 11732), (2058, 10056), (2352, 8799), (2514, 8232), (2744, 7542), (2933, 7056), (3087, 6704), (3352, 6174), (3528, 5866), (3771, 5488), (4116, 5028)]