20188045760

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:679

約数の個数: 224

約数和(自身を含む): 51846480000

約数和(自身を除く): 31658434240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 41, 46, 64, 80, 82, 92, 115, 149, 160, 164, 184, 205, 230, 298, 320, 328, 368, 410, 449, 460, 596, 656, 736, 745, 820, 898, 920, 943, 1192, 1312, 1472, 1490, 1640, 1796, 1840, 1886, 2245, 2384, 2624, 2980, 3280, 3427, 3592, 3680, 3772, 4490, 4715, 4768, 5960, 6109, 6560, 6854, 7184, 7360, 7544, 8980, 9430, 9536, 10327, 11920, 12218, 13120, 13708, 14368, 15088, 17135, 17960, 18409, 18860, 20654, 23840, 24436, 27416, 28736, 30176, 30545, 34270, 35920, 36818, 37720, 41308, 47680, 48872, 51635, 54832, 60352, 61090, 66901, 68540, 71840, 73636, 75440, 82616, 92045, 97744, 103270, 109664, 122180, 133802, 137080, 140507, 143680, 147272, 150880, 165232, 184090, 195488, 206540, 219328, 244360, 267604, 274160, 281014, 294544, 301760, 330464, 334505, 368180, 390976, 413080, 423407, 488720, 535208, 548320, 562028, 589088, 660928, 669010, 702535, 736360, 826160, 846814, 977440, 1070416, 1096640, 1124056, 1178176, 1338020, 1405070, 1472720, 1538723, 1652320, 1693628, 1954880, 2117035, 2140832, 2248112, 2676040, 2742941, 2810140, 2945440, 3077446, 3304640, 3387256, 4234070, 4281664, 4496224, 5352080, 5485882, 5620280, 5890880, 6154892, 6774512, 7693615, 8468140, 8992448, 10704160, 10971764, 11240560, 12309784, 13549024, 13714705, 15387230, 16936280, 21408320, 21943528, 22481120, 24619568, 27098048, 27429410, 30774460, 33872560, 43887056, 44962240, 49239136, 54858820, 61548920, 63087643, 67745120, 87774112, 98478272, 109717640, 123097840, 126175286, 135490240, 175548224, 219435280, 246195680, 252350572, 315438215, 438870560, 492391360, 504701144, 630876430, 877741120, 1009402288, 1261752860, 2018804576, 2523505720, 4037609152, 5047011440, 10094022880, 20188045760]

約数ペア:

[(1, 20188045760), (2, 10094022880), (4, 5047011440), (5, 4037609152), (8, 2523505720), (10, 2018804576), (16, 1261752860), (20, 1009402288), (23, 877741120), (32, 630876430), (40, 504701144), (41, 492391360), (46, 438870560), (64, 315438215), (80, 252350572), (82, 246195680), (92, 219435280), (115, 175548224), (149, 135490240), (160, 126175286), (164, 123097840), (184, 109717640), (205, 98478272), (230, 87774112), (298, 67745120), (320, 63087643), (328, 61548920), (368, 54858820), (410, 49239136), (449, 44962240), (460, 43887056), (596, 33872560), (656, 30774460), (736, 27429410), (745, 27098048), (820, 24619568), (898, 22481120), (920, 21943528), (943, 21408320), (1192, 16936280), (1312, 15387230), (1472, 13714705), (1490, 13549024), (1640, 12309784), (1796, 11240560), (1840, 10971764), (1886, 10704160), (2245, 8992448), (2384, 8468140), (2624, 7693615), (2980, 6774512), (3280, 6154892), (3427, 5890880), (3592, 5620280), (3680, 5485882), (3772, 5352080), (4490, 4496224), (4715, 4281664), (4768, 4234070), (5960, 3387256), (6109, 3304640), (6560, 3077446), (6854, 2945440), (7184, 2810140), (7360, 2742941), (7544, 2676040), (8980, 2248112), (9430, 2140832), (9536, 2117035), (10327, 1954880), (11920, 1693628), (12218, 1652320), (13120, 1538723), (13708, 1472720), (14368, 1405070), (15088, 1338020), (17135, 1178176), (17960, 1124056), (18409, 1096640), (18860, 1070416), (20654, 977440), (23840, 846814), (24436, 826160), (27416, 736360), (28736, 702535), (30176, 669010), (30545, 660928), (34270, 589088), (35920, 562028), (36818, 548320), (37720, 535208), (41308, 488720), (47680, 423407), (48872, 413080), (51635, 390976), (54832, 368180), (60352, 334505), (61090, 330464), (66901, 301760), (68540, 294544), (71840, 281014), (73636, 274160), (75440, 267604), (82616, 244360), (92045, 219328), (97744, 206540), (103270, 195488), (109664, 184090), (122180, 165232), (133802, 150880), (137080, 147272), (140507, 143680)]