20386128

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 160

約数和(自身を含む): 65995776

約数和(自身を除く): 45609648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 43, 48, 51, 56, 68, 83, 84, 86, 102, 112, 119, 129, 136, 166, 168, 172, 204, 238, 249, 258, 272, 301, 332, 336, 344, 357, 408, 476, 498, 516, 581, 602, 664, 688, 714, 731, 816, 903, 952, 996, 1032, 1162, 1204, 1328, 1411, 1428, 1462, 1743, 1806, 1904, 1992, 2064, 2193, 2324, 2408, 2822, 2856, 2924, 3486, 3569, 3612, 3984, 4233, 4386, 4648, 4816, 5117, 5644, 5712, 5848, 6972, 7138, 7224, 8466, 8772, 9296, 9877, 10234, 10707, 11288, 11696, 13944, 14276, 14448, 15351, 16932, 17544, 19754, 20468, 21414, 22576, 24983, 27888, 28552, 29631, 30702, 33864, 35088, 39508, 40936, 42828, 49966, 57104, 59262, 60673, 61404, 67728, 74949, 79016, 81872, 85656, 99932, 118524, 121346, 122808, 149898, 158032, 171312, 182019, 199864, 237048, 242692, 245616, 299796, 364038, 399728, 424711, 474096, 485384, 599592, 728076, 849422, 970768, 1199184, 1274133, 1456152, 1698844, 2548266, 2912304, 3397688, 5096532, 6795376, 10193064, 20386128]

約数ペア:

[(1, 20386128), (2, 10193064), (3, 6795376), (4, 5096532), (6, 3397688), (7, 2912304), (8, 2548266), (12, 1698844), (14, 1456152), (16, 1274133), (17, 1199184), (21, 970768), (24, 849422), (28, 728076), (34, 599592), (42, 485384), (43, 474096), (48, 424711), (51, 399728), (56, 364038), (68, 299796), (83, 245616), (84, 242692), (86, 237048), (102, 199864), (112, 182019), (119, 171312), (129, 158032), (136, 149898), (166, 122808), (168, 121346), (172, 118524), (204, 99932), (238, 85656), (249, 81872), (258, 79016), (272, 74949), (301, 67728), (332, 61404), (336, 60673), (344, 59262), (357, 57104), (408, 49966), (476, 42828), (498, 40936), (516, 39508), (581, 35088), (602, 33864), (664, 30702), (688, 29631), (714, 28552), (731, 27888), (816, 24983), (903, 22576), (952, 21414), (996, 20468), (1032, 19754), (1162, 17544), (1204, 16932), (1328, 15351), (1411, 14448), (1428, 14276), (1462, 13944), (1743, 11696), (1806, 11288), (1904, 10707), (1992, 10234), (2064, 9877), (2193, 9296), (2324, 8772), (2408, 8466), (2822, 7224), (2856, 7138), (2924, 6972), (3486, 5848), (3569, 5712), (3612, 5644), (3984, 5117), (4233, 4816), (4386, 4648)]