20365728

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12479}}^1$

素因数の和:12509

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 36243552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12479, 24958, 37437, 49916, 74874, 99832, 149748, 199664, 212143, 299496, 399328, 424286, 598992, 636429, 848572, 1197984, 1272858, 1697144, 2545716, 3394288, 5091432, 6788576, 10182864, 20365728]

約数ペア:

[(1, 20365728), (2, 10182864), (3, 6788576), (4, 5091432), (6, 3394288), (8, 2545716), (12, 1697144), (16, 1272858), (17, 1197984), (24, 848572), (32, 636429), (34, 598992), (48, 424286), (51, 399328), (68, 299496), (96, 212143), (102, 199664), (136, 149748), (204, 99832), (272, 74874), (408, 49916), (544, 37437), (816, 24958), (1632, 12479)]