20280491224

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{431}}^1$

素因数の和:798

約数の個数: 192

約数和(自身を含む): 49145564160

約数和(自身を除く): 28865072936

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 49, 56, 68, 92, 98, 119, 136, 161, 184, 196, 238, 307, 322, 391, 392, 431, 476, 614, 644, 782, 833, 862, 952, 1127, 1228, 1288, 1564, 1666, 1724, 2149, 2254, 2456, 2737, 3017, 3128, 3332, 3448, 4298, 4508, 5219, 5474, 6034, 6664, 7061, 7327, 8596, 9016, 9913, 10438, 10948, 12068, 14122, 14654, 15043, 17192, 19159, 19826, 20876, 21119, 21896, 24136, 28244, 29308, 30086, 36533, 38318, 39652, 41752, 42238, 49427, 51289, 56488, 58616, 60172, 69391, 73066, 76636, 79304, 84476, 98854, 102578, 120037, 120344, 132317, 138782, 146132, 153272, 168521, 168952, 197708, 205156, 240074, 255731, 264634, 277564, 292264, 337042, 345989, 359023, 395416, 410312, 480148, 485737, 511462, 529268, 555128, 674084, 691978, 718046, 840259, 926219, 960296, 971474, 1022924, 1058536, 1179647, 1348168, 1383956, 1436092, 1680518, 1852438, 1942948, 2045848, 2249389, 2359294, 2767912, 2872184, 3043291, 3361036, 3704876, 3885896, 4498778, 4718588, 5881813, 6086582, 6483533, 6722072, 7409752, 8257529, 8997556, 9437176, 11763626, 12173164, 12967066, 15745723, 16515058, 17995112, 21303037, 23527252, 24346328, 25934132, 31491446, 33030116, 42606074, 47054504, 51735947, 51868264, 62982892, 66060232, 85212148, 103471894, 110220061, 125965784, 149121259, 170424296, 206943788, 220440122, 298242518, 362151629, 413887576, 440880244, 596485036, 724303258, 881760488, 1192970072, 1448606516, 2535061403, 2897213032, 5070122806, 10140245612, 20280491224]

約数ペア:

[(1, 20280491224), (2, 10140245612), (4, 5070122806), (7, 2897213032), (8, 2535061403), (14, 1448606516), (17, 1192970072), (23, 881760488), (28, 724303258), (34, 596485036), (46, 440880244), (49, 413887576), (56, 362151629), (68, 298242518), (92, 220440122), (98, 206943788), (119, 170424296), (136, 149121259), (161, 125965784), (184, 110220061), (196, 103471894), (238, 85212148), (307, 66060232), (322, 62982892), (391, 51868264), (392, 51735947), (431, 47054504), (476, 42606074), (614, 33030116), (644, 31491446), (782, 25934132), (833, 24346328), (862, 23527252), (952, 21303037), (1127, 17995112), (1228, 16515058), (1288, 15745723), (1564, 12967066), (1666, 12173164), (1724, 11763626), (2149, 9437176), (2254, 8997556), (2456, 8257529), (2737, 7409752), (3017, 6722072), (3128, 6483533), (3332, 6086582), (3448, 5881813), (4298, 4718588), (4508, 4498778), (5219, 3885896), (5474, 3704876), (6034, 3361036), (6664, 3043291), (7061, 2872184), (7327, 2767912), (8596, 2359294), (9016, 2249389), (9913, 2045848), (10438, 1942948), (10948, 1852438), (12068, 1680518), (14122, 1436092), (14654, 1383956), (15043, 1348168), (17192, 1179647), (19159, 1058536), (19826, 1022924), (20876, 971474), (21119, 960296), (21896, 926219), (24136, 840259), (28244, 718046), (29308, 691978), (30086, 674084), (36533, 555128), (38318, 529268), (39652, 511462), (41752, 485737), (42238, 480148), (49427, 410312), (51289, 395416), (56488, 359023), (58616, 345989), (60172, 337042), (69391, 292264), (73066, 277564), (76636, 264634), (79304, 255731), (84476, 240074), (98854, 205156), (102578, 197708), (120037, 168952), (120344, 168521), (132317, 153272), (138782, 146132)]