20304816

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 62339760

約数和(自身を除く): 42034944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 89, 97, 98, 112, 147, 168, 178, 194, 196, 267, 291, 294, 336, 356, 388, 392, 534, 582, 588, 623, 679, 712, 776, 784, 1068, 1164, 1176, 1246, 1358, 1424, 1552, 1869, 2037, 2136, 2328, 2352, 2492, 2716, 3738, 4074, 4272, 4361, 4656, 4753, 4984, 5432, 7476, 8148, 8633, 8722, 9506, 9968, 10864, 13083, 14259, 14952, 16296, 17266, 17444, 19012, 25899, 26166, 28518, 29904, 32592, 34532, 34888, 38024, 51798, 52332, 57036, 60431, 69064, 69776, 76048, 103596, 104664, 114072, 120862, 138128, 181293, 207192, 209328, 228144, 241724, 362586, 414384, 423017, 483448, 725172, 846034, 966896, 1269051, 1450344, 1692068, 2538102, 2900688, 3384136, 5076204, 6768272, 10152408, 20304816]

約数ペア:

[(1, 20304816), (2, 10152408), (3, 6768272), (4, 5076204), (6, 3384136), (7, 2900688), (8, 2538102), (12, 1692068), (14, 1450344), (16, 1269051), (21, 966896), (24, 846034), (28, 725172), (42, 483448), (48, 423017), (49, 414384), (56, 362586), (84, 241724), (89, 228144), (97, 209328), (98, 207192), (112, 181293), (147, 138128), (168, 120862), (178, 114072), (194, 104664), (196, 103596), (267, 76048), (291, 69776), (294, 69064), (336, 60431), (356, 57036), (388, 52332), (392, 51798), (534, 38024), (582, 34888), (588, 34532), (623, 32592), (679, 29904), (712, 28518), (776, 26166), (784, 25899), (1068, 19012), (1164, 17444), (1176, 17266), (1246, 16296), (1358, 14952), (1424, 14259), (1552, 13083), (1869, 10864), (2037, 9968), (2136, 9506), (2328, 8722), (2352, 8633), (2492, 8148), (2716, 7476), (3738, 5432), (4074, 4984), (4272, 4753), (4361, 4656)]