20843424

素因数分解:

$2^5\times 3^2\times 7^3\times {\mathrm{211}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 69451200

約数和(自身を除く): 48607776

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 211, 224, 252, 288, 294, 336, 343, 392, 422, 441, 504, 588, 633, 672, 686, 784, 844, 882, 1008, 1029, 1176, 1266, 1372, 1477, 1568, 1688, 1764, 1899, 2016, 2058, 2352, 2532, 2744, 2954, 3087, 3376, 3528, 3798, 4116, 4431, 4704, 5064, 5488, 5908, 6174, 6752, 7056, 7596, 8232, 8862, 10128, 10339, 10976, 11816, 12348, 13293, 14112, 15192, 16464, 17724, 20256, 20678, 23632, 24696, 26586, 30384, 31017, 32928, 35448, 41356, 47264, 49392, 53172, 60768, 62034, 70896, 72373, 82712, 93051, 98784, 106344, 124068, 141792, 144746, 165424, 186102, 212688, 217119, 248136, 289492, 330848, 372204, 425376, 434238, 496272, 578984, 651357, 744408, 868476, 992544, 1157968, 1302714, 1488816, 1736952, 2315936, 2605428, 2977632, 3473904, 5210856, 6947808, 10421712, 20843424]

約数ペア:

[(1, 20843424), (2, 10421712), (3, 6947808), (4, 5210856), (6, 3473904), (7, 2977632), (8, 2605428), (9, 2315936), (12, 1736952), (14, 1488816), (16, 1302714), (18, 1157968), (21, 992544), (24, 868476), (28, 744408), (32, 651357), (36, 578984), (42, 496272), (48, 434238), (49, 425376), (56, 372204), (63, 330848), (72, 289492), (84, 248136), (96, 217119), (98, 212688), (112, 186102), (126, 165424), (144, 144746), (147, 141792), (168, 124068), (196, 106344), (211, 98784), (224, 93051), (252, 82712), (288, 72373), (294, 70896), (336, 62034), (343, 60768), (392, 53172), (422, 49392), (441, 47264), (504, 41356), (588, 35448), (633, 32928), (672, 31017), (686, 30384), (784, 26586), (844, 24696), (882, 23632), (1008, 20678), (1029, 20256), (1176, 17724), (1266, 16464), (1372, 15192), (1477, 14112), (1568, 13293), (1688, 12348), (1764, 11816), (1899, 10976), (2016, 10339), (2058, 10128), (2352, 8862), (2532, 8232), (2744, 7596), (2954, 7056), (3087, 6752), (3376, 6174), (3528, 5908), (3798, 5488), (4116, 5064), (4431, 4704)]