20685056

素因数分解:

$2^8\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 108

約数和(自身を含む): 51380028

約数和(自身を除く): 30694972

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 97, 98, 112, 119, 128, 136, 194, 196, 224, 238, 256, 272, 388, 392, 448, 476, 544, 679, 776, 784, 833, 896, 952, 1088, 1358, 1552, 1568, 1649, 1666, 1792, 1904, 2176, 2716, 3104, 3136, 3298, 3332, 3808, 4352, 4753, 5432, 6208, 6272, 6596, 6664, 7616, 9506, 10864, 11543, 12416, 12544, 13192, 13328, 15232, 19012, 21728, 23086, 24832, 26384, 26656, 30464, 38024, 43456, 46172, 52768, 53312, 76048, 80801, 86912, 92344, 105536, 106624, 152096, 161602, 173824, 184688, 211072, 213248, 304192, 323204, 369376, 422144, 608384, 646408, 738752, 1216768, 1292816, 1477504, 2585632, 2955008, 5171264, 10342528, 20685056]

約数ペア:

[(1, 20685056), (2, 10342528), (4, 5171264), (7, 2955008), (8, 2585632), (14, 1477504), (16, 1292816), (17, 1216768), (28, 738752), (32, 646408), (34, 608384), (49, 422144), (56, 369376), (64, 323204), (68, 304192), (97, 213248), (98, 211072), (112, 184688), (119, 173824), (128, 161602), (136, 152096), (194, 106624), (196, 105536), (224, 92344), (238, 86912), (256, 80801), (272, 76048), (388, 53312), (392, 52768), (448, 46172), (476, 43456), (544, 38024), (679, 30464), (776, 26656), (784, 26384), (833, 24832), (896, 23086), (952, 21728), (1088, 19012), (1358, 15232), (1552, 13328), (1568, 13192), (1649, 12544), (1666, 12416), (1792, 11543), (1904, 10864), (2176, 9506), (2716, 7616), (3104, 6664), (3136, 6596), (3298, 6272), (3332, 6208), (3808, 5432), (4352, 4753)]