20506662

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 55296000

約数和(自身を除く): 34789338

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 23, 27, 33, 38, 46, 54, 57, 66, 69, 79, 99, 114, 138, 158, 171, 198, 207, 209, 237, 253, 297, 342, 414, 418, 437, 474, 506, 513, 594, 621, 627, 711, 759, 869, 874, 1026, 1242, 1254, 1311, 1422, 1501, 1518, 1738, 1817, 1881, 2133, 2277, 2607, 2622, 3002, 3634, 3762, 3933, 4266, 4503, 4554, 4807, 5214, 5451, 5643, 6831, 7821, 7866, 9006, 9614, 10902, 11286, 11799, 13509, 13662, 14421, 15642, 16353, 16511, 19987, 23463, 23598, 27018, 28842, 32706, 33022, 34523, 39974, 40527, 43263, 46926, 49059, 49533, 59961, 69046, 81054, 86526, 98118, 99066, 103569, 119922, 129789, 148599, 179883, 207138, 259578, 297198, 310707, 359766, 379753, 445797, 539649, 621414, 759506, 891594, 932121, 1079298, 1139259, 1864242, 2278518, 3417777, 6835554, 10253331, 20506662]

約数ペア:

[(1, 20506662), (2, 10253331), (3, 6835554), (6, 3417777), (9, 2278518), (11, 1864242), (18, 1139259), (19, 1079298), (22, 932121), (23, 891594), (27, 759506), (33, 621414), (38, 539649), (46, 445797), (54, 379753), (57, 359766), (66, 310707), (69, 297198), (79, 259578), (99, 207138), (114, 179883), (138, 148599), (158, 129789), (171, 119922), (198, 103569), (207, 99066), (209, 98118), (237, 86526), (253, 81054), (297, 69046), (342, 59961), (414, 49533), (418, 49059), (437, 46926), (474, 43263), (506, 40527), (513, 39974), (594, 34523), (621, 33022), (627, 32706), (711, 28842), (759, 27018), (869, 23598), (874, 23463), (1026, 19987), (1242, 16511), (1254, 16353), (1311, 15642), (1422, 14421), (1501, 13662), (1518, 13509), (1738, 11799), (1817, 11286), (1881, 10902), (2133, 9614), (2277, 9006), (2607, 7866), (2622, 7821), (3002, 6831), (3634, 5643), (3762, 5451), (3933, 5214), (4266, 4807), (4503, 4554)]