20679714

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 53913600

約数和(自身を除く): 33233886

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 23, 33, 38, 46, 57, 66, 69, 99, 114, 138, 171, 198, 207, 209, 239, 253, 342, 414, 418, 437, 478, 506, 627, 717, 759, 874, 1254, 1311, 1434, 1518, 1881, 2151, 2277, 2622, 2629, 3762, 3933, 4302, 4541, 4554, 4807, 5258, 5497, 7866, 7887, 9082, 9614, 10994, 13623, 14421, 15774, 16491, 23661, 27246, 28842, 32982, 40869, 43263, 47322, 49473, 49951, 60467, 81738, 86526, 98946, 99902, 104443, 120934, 149853, 181401, 208886, 299706, 313329, 362802, 449559, 544203, 626658, 899118, 939987, 1088406, 1148873, 1879974, 2297746, 3446619, 6893238, 10339857, 20679714]

約数ペア:

[(1, 20679714), (2, 10339857), (3, 6893238), (6, 3446619), (9, 2297746), (11, 1879974), (18, 1148873), (19, 1088406), (22, 939987), (23, 899118), (33, 626658), (38, 544203), (46, 449559), (57, 362802), (66, 313329), (69, 299706), (99, 208886), (114, 181401), (138, 149853), (171, 120934), (198, 104443), (207, 99902), (209, 98946), (239, 86526), (253, 81738), (342, 60467), (414, 49951), (418, 49473), (437, 47322), (478, 43263), (506, 40869), (627, 32982), (717, 28842), (759, 27246), (874, 23661), (1254, 16491), (1311, 15774), (1434, 14421), (1518, 13623), (1881, 10994), (2151, 9614), (2277, 9082), (2622, 7887), (2629, 7866), (3762, 5497), (3933, 5258), (4302, 4807), (4541, 4554)]