20514186

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 59911488

約数和(自身を除く): 39397302

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 33, 38, 41, 42, 57, 63, 66, 77, 82, 99, 114, 123, 126, 133, 154, 171, 198, 209, 231, 246, 266, 287, 342, 361, 369, 399, 418, 451, 462, 574, 627, 693, 722, 738, 779, 798, 861, 902, 1083, 1197, 1254, 1353, 1386, 1463, 1558, 1722, 1881, 2166, 2337, 2394, 2527, 2583, 2706, 2926, 3157, 3249, 3762, 3971, 4059, 4389, 4674, 5054, 5166, 5453, 6314, 6498, 7011, 7581, 7942, 8118, 8569, 8778, 9471, 10906, 11913, 13167, 14022, 14801, 15162, 16359, 17138, 18942, 22743, 23826, 25707, 26334, 27797, 28413, 29602, 32718, 35739, 44403, 45486, 49077, 51414, 55594, 56826, 59983, 71478, 77121, 83391, 88806, 98154, 103607, 119966, 133209, 154242, 162811, 166782, 179949, 207214, 250173, 266418, 310821, 325622, 359898, 488433, 500346, 539847, 621642, 932463, 976866, 1079694, 1139677, 1465299, 1864926, 2279354, 2930598, 3419031, 6838062, 10257093, 20514186]

約数ペア:

[(1, 20514186), (2, 10257093), (3, 6838062), (6, 3419031), (7, 2930598), (9, 2279354), (11, 1864926), (14, 1465299), (18, 1139677), (19, 1079694), (21, 976866), (22, 932463), (33, 621642), (38, 539847), (41, 500346), (42, 488433), (57, 359898), (63, 325622), (66, 310821), (77, 266418), (82, 250173), (99, 207214), (114, 179949), (123, 166782), (126, 162811), (133, 154242), (154, 133209), (171, 119966), (198, 103607), (209, 98154), (231, 88806), (246, 83391), (266, 77121), (287, 71478), (342, 59983), (361, 56826), (369, 55594), (399, 51414), (418, 49077), (451, 45486), (462, 44403), (574, 35739), (627, 32718), (693, 29602), (722, 28413), (738, 27797), (779, 26334), (798, 25707), (861, 23826), (902, 22743), (1083, 18942), (1197, 17138), (1254, 16359), (1353, 15162), (1386, 14801), (1463, 14022), (1558, 13167), (1722, 11913), (1881, 10906), (2166, 9471), (2337, 8778), (2394, 8569), (2527, 8118), (2583, 7942), (2706, 7581), (2926, 7011), (3157, 6498), (3249, 6314), (3762, 5453), (3971, 5166), (4059, 5054), (4389, 4674)]