20109623408

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{1721}}^1$

素因数の和:1808

約数の個数: 180

約数和(自身を含む): 49951459152

約数和(自身を除く): 29841835744

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 56, 68, 76, 112, 119, 133, 136, 152, 238, 266, 272, 289, 304, 323, 361, 476, 532, 578, 646, 722, 952, 1064, 1156, 1292, 1444, 1721, 1904, 2023, 2128, 2261, 2312, 2527, 2584, 2888, 3442, 4046, 4522, 4624, 5054, 5168, 5491, 5776, 6137, 6884, 8092, 9044, 10108, 10982, 12047, 12274, 13768, 16184, 18088, 20216, 21964, 24094, 24548, 27536, 29257, 32368, 32699, 36176, 38437, 40432, 42959, 43928, 48188, 49096, 58514, 65398, 76874, 85918, 87856, 96376, 98192, 104329, 117028, 130796, 153748, 171836, 192752, 204799, 208658, 228893, 234056, 261592, 307496, 343672, 409598, 417316, 457786, 468112, 497369, 523184, 555883, 614992, 621281, 687344, 730303, 819196, 834632, 915572, 994738, 1111766, 1242562, 1460606, 1638392, 1669264, 1831144, 1989476, 2223532, 2485124, 2921212, 3276784, 3481583, 3662288, 3891181, 3978952, 4348967, 4447064, 4970248, 5842424, 6963166, 7782362, 7957904, 8697934, 8894128, 9450011, 9940496, 10561777, 11684848, 13926332, 15564724, 17395868, 18900022, 21123554, 27852664, 31129448, 34791736, 37800044, 42247108, 55705328, 62258896, 66150077, 69583472, 73932439, 75600088, 84494216, 132300154, 147864878, 151200176, 168988432, 179550209, 264600308, 295729756, 359100418, 529200616, 591459512, 718200836, 1058401232, 1182919024, 1256851463, 1436401672, 2513702926, 2872803344, 5027405852, 10054811704, 20109623408]

約数ペア:

[(1, 20109623408), (2, 10054811704), (4, 5027405852), (7, 2872803344), (8, 2513702926), (14, 1436401672), (16, 1256851463), (17, 1182919024), (19, 1058401232), (28, 718200836), (34, 591459512), (38, 529200616), (56, 359100418), (68, 295729756), (76, 264600308), (112, 179550209), (119, 168988432), (133, 151200176), (136, 147864878), (152, 132300154), (238, 84494216), (266, 75600088), (272, 73932439), (289, 69583472), (304, 66150077), (323, 62258896), (361, 55705328), (476, 42247108), (532, 37800044), (578, 34791736), (646, 31129448), (722, 27852664), (952, 21123554), (1064, 18900022), (1156, 17395868), (1292, 15564724), (1444, 13926332), (1721, 11684848), (1904, 10561777), (2023, 9940496), (2128, 9450011), (2261, 8894128), (2312, 8697934), (2527, 7957904), (2584, 7782362), (2888, 6963166), (3442, 5842424), (4046, 4970248), (4522, 4447064), (4624, 4348967), (5054, 3978952), (5168, 3891181), (5491, 3662288), (5776, 3481583), (6137, 3276784), (6884, 2921212), (8092, 2485124), (9044, 2223532), (10108, 1989476), (10982, 1831144), (12047, 1669264), (12274, 1638392), (13768, 1460606), (16184, 1242562), (18088, 1111766), (20216, 994738), (21964, 915572), (24094, 834632), (24548, 819196), (27536, 730303), (29257, 687344), (32368, 621281), (32699, 614992), (36176, 555883), (38437, 523184), (40432, 497369), (42959, 468112), (43928, 457786), (48188, 417316), (49096, 409598), (58514, 343672), (65398, 307496), (76874, 261592), (85918, 234056), (87856, 228893), (96376, 208658), (98192, 204799), (104329, 192752), (117028, 171836), (130796, 153748)]