20865009792

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2017}}^1$

素因数の和:2155

約数の個数: 256

約数和(自身を含む): 63232819200

約数和(自身を除く): 42367809408

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 64, 66, 79, 88, 93, 96, 124, 128, 132, 158, 176, 186, 192, 237, 248, 264, 316, 341, 352, 372, 384, 474, 496, 528, 632, 682, 704, 744, 869, 948, 992, 1023, 1056, 1264, 1364, 1408, 1488, 1738, 1896, 1984, 2017, 2046, 2112, 2449, 2528, 2607, 2728, 2976, 3476, 3792, 3968, 4034, 4092, 4224, 4898, 5056, 5214, 5456, 5952, 6051, 6952, 7347, 7584, 8068, 8184, 9796, 10112, 10428, 10912, 11904, 12102, 13904, 14694, 15168, 16136, 16368, 19592, 20856, 21824, 22187, 24204, 26939, 27808, 29388, 30336, 32272, 32736, 39184, 41712, 43648, 44374, 48408, 53878, 55616, 58776, 62527, 64544, 65472, 66561, 78368, 80817, 83424, 88748, 96816, 107756, 111232, 117552, 125054, 129088, 130944, 133122, 156736, 159343, 161634, 166848, 177496, 187581, 193632, 215512, 235104, 250108, 258176, 266244, 313472, 318686, 323268, 333696, 354992, 375162, 387264, 431024, 470208, 478029, 500216, 532488, 637372, 646536, 687797, 709984, 750324, 774528, 862048, 940416, 956058, 1000432, 1064976, 1274744, 1293072, 1375594, 1419968, 1500648, 1724096, 1752773, 1912116, 2000864, 2063391, 2129952, 2549488, 2586144, 2751188, 2839936, 3001296, 3448192, 3505546, 3824232, 4001728, 4126782, 4259904, 4939633, 5098976, 5172288, 5258319, 5502376, 6002592, 7011092, 7648464, 8003456, 8253564, 8519808, 9879266, 10197952, 10344576, 10516638, 11004752, 12005184, 14022184, 14818899, 15296928, 16507128, 19758532, 20395904, 21033276, 22009504, 24010368, 28044368, 29637798, 30593856, 33014256, 39517064, 42066552, 44019008, 54335963, 56088736, 59275596, 61187712, 66028512, 79034128, 84133104, 88038016, 108671926, 112177472, 118551192, 132057024, 158068256, 163007889, 168266208, 217343852, 224354944, 237102384, 264114048, 316136512, 326015778, 336532416, 434687704, 474204768, 632273024, 652031556, 673064832, 869375408, 948409536, 1304063112, 1738750816, 1896819072, 2608126224, 3477501632, 5216252448, 6955003264, 10432504896, 20865009792]

約数ペア:

[(1, 20865009792), (2, 10432504896), (3, 6955003264), (4, 5216252448), (6, 3477501632), (8, 2608126224), (11, 1896819072), (12, 1738750816), (16, 1304063112), (22, 948409536), (24, 869375408), (31, 673064832), (32, 652031556), (33, 632273024), (44, 474204768), (48, 434687704), (62, 336532416), (64, 326015778), (66, 316136512), (79, 264114048), (88, 237102384), (93, 224354944), (96, 217343852), (124, 168266208), (128, 163007889), (132, 158068256), (158, 132057024), (176, 118551192), (186, 112177472), (192, 108671926), (237, 88038016), (248, 84133104), (264, 79034128), (316, 66028512), (341, 61187712), (352, 59275596), (372, 56088736), (384, 54335963), (474, 44019008), (496, 42066552), (528, 39517064), (632, 33014256), (682, 30593856), (704, 29637798), (744, 28044368), (869, 24010368), (948, 22009504), (992, 21033276), (1023, 20395904), (1056, 19758532), (1264, 16507128), (1364, 15296928), (1408, 14818899), (1488, 14022184), (1738, 12005184), (1896, 11004752), (1984, 10516638), (2017, 10344576), (2046, 10197952), (2112, 9879266), (2449, 8519808), (2528, 8253564), (2607, 8003456), (2728, 7648464), (2976, 7011092), (3476, 6002592), (3792, 5502376), (3968, 5258319), (4034, 5172288), (4092, 5098976), (4224, 4939633), (4898, 4259904), (5056, 4126782), (5214, 4001728), (5456, 3824232), (5952, 3505546), (6051, 3448192), (6952, 3001296), (7347, 2839936), (7584, 2751188), (8068, 2586144), (8184, 2549488), (9796, 2129952), (10112, 2063391), (10428, 2000864), (10912, 1912116), (11904, 1752773), (12102, 1724096), (13904, 1500648), (14694, 1419968), (15168, 1375594), (16136, 1293072), (16368, 1274744), (19592, 1064976), (20856, 1000432), (21824, 956058), (22187, 940416), (24204, 862048), (26939, 774528), (27808, 750324), (29388, 709984), (30336, 687797), (32272, 646536), (32736, 637372), (39184, 532488), (41712, 500216), (43648, 478029), (44374, 470208), (48408, 431024), (53878, 387264), (55616, 375162), (58776, 354992), (62527, 333696), (64544, 323268), (65472, 318686), (66561, 313472), (78368, 266244), (80817, 258176), (83424, 250108), (88748, 235104), (96816, 215512), (107756, 193632), (111232, 187581), (117552, 177496), (125054, 166848), (129088, 161634), (130944, 159343), (133122, 156736)]