20843904

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 61102080

約数和(自身を除く): 40258176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 32, 34, 48, 51, 62, 64, 68, 93, 96, 102, 103, 124, 128, 136, 186, 192, 204, 206, 248, 272, 309, 372, 384, 408, 412, 496, 527, 544, 618, 744, 816, 824, 992, 1054, 1088, 1236, 1488, 1581, 1632, 1648, 1751, 1984, 2108, 2176, 2472, 2976, 3162, 3193, 3264, 3296, 3502, 3968, 4216, 4944, 5253, 5952, 6324, 6386, 6528, 6592, 7004, 8432, 9579, 9888, 10506, 11904, 12648, 12772, 13184, 14008, 16864, 19158, 19776, 21012, 25296, 25544, 28016, 33728, 38316, 39552, 42024, 50592, 51088, 54281, 56032, 67456, 76632, 84048, 101184, 102176, 108562, 112064, 153264, 162843, 168096, 202368, 204352, 217124, 224128, 306528, 325686, 336192, 408704, 434248, 613056, 651372, 672384, 868496, 1226112, 1302744, 1736992, 2605488, 3473984, 5210976, 6947968, 10421952, 20843904]

約数ペア:

[(1, 20843904), (2, 10421952), (3, 6947968), (4, 5210976), (6, 3473984), (8, 2605488), (12, 1736992), (16, 1302744), (17, 1226112), (24, 868496), (31, 672384), (32, 651372), (34, 613056), (48, 434248), (51, 408704), (62, 336192), (64, 325686), (68, 306528), (93, 224128), (96, 217124), (102, 204352), (103, 202368), (124, 168096), (128, 162843), (136, 153264), (186, 112064), (192, 108562), (204, 102176), (206, 101184), (248, 84048), (272, 76632), (309, 67456), (372, 56032), (384, 54281), (408, 51088), (412, 50592), (496, 42024), (527, 39552), (544, 38316), (618, 33728), (744, 28016), (816, 25544), (824, 25296), (992, 21012), (1054, 19776), (1088, 19158), (1236, 16864), (1488, 14008), (1581, 13184), (1632, 12772), (1648, 12648), (1751, 11904), (1984, 10506), (2108, 9888), (2176, 9579), (2472, 8432), (2976, 7004), (3162, 6592), (3193, 6528), (3264, 6386), (3296, 6324), (3502, 5952), (3968, 5253), (4216, 4944)]