20901896640

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{29147}}^1$

素因数の和:29256

約数の個数: 224

約数和(自身を含む): 74628207360

約数和(自身を除く): 53726310720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 83, 90, 96, 108, 120, 135, 144, 160, 166, 180, 192, 216, 240, 249, 270, 288, 320, 332, 360, 415, 432, 480, 498, 540, 576, 664, 720, 747, 830, 864, 960, 996, 1080, 1245, 1328, 1440, 1494, 1660, 1728, 1992, 2160, 2241, 2490, 2656, 2880, 2988, 3320, 3735, 3984, 4320, 4482, 4980, 5312, 5976, 6640, 7470, 7968, 8640, 8964, 9960, 11205, 11952, 13280, 14940, 15936, 17928, 19920, 22410, 23904, 26560, 29147, 29880, 35856, 39840, 44820, 47808, 58294, 59760, 71712, 79680, 87441, 89640, 116588, 119520, 143424, 145735, 174882, 179280, 233176, 239040, 262323, 291470, 349764, 358560, 437205, 466352, 524646, 582940, 699528, 717120, 786969, 874410, 932704, 1049292, 1165880, 1311615, 1399056, 1573938, 1748820, 1865408, 2098584, 2331760, 2419201, 2623230, 2798112, 3147876, 3497640, 3934845, 4197168, 4663520, 4838402, 5246460, 5596224, 6295752, 6995280, 7257603, 7869690, 8394336, 9327040, 9676804, 10492920, 12096005, 12591504, 13990560, 14515206, 15739380, 16788672, 19353608, 20985840, 21772809, 24192010, 25183008, 27981120, 29030412, 31478760, 36288015, 38707216, 41971680, 43545618, 48384020, 50366016, 58060824, 62957520, 65318427, 72576030, 77414432, 83943360, 87091236, 96768040, 108864045, 116121648, 125915040, 130636854, 145152060, 154828864, 174182472, 193536080, 217728090, 232243296, 251830080, 261273708, 290304120, 326592135, 348364944, 387072160, 435456180, 464486592, 522547416, 580608240, 653184270, 696729888, 774144320, 870912360, 1045094832, 1161216480, 1306368540, 1393459776, 1741824720, 2090189664, 2322432960, 2612737080, 3483649440, 4180379328, 5225474160, 6967298880, 10450948320, 20901896640]

約数ペア:

[(1, 20901896640), (2, 10450948320), (3, 6967298880), (4, 5225474160), (5, 4180379328), (6, 3483649440), (8, 2612737080), (9, 2322432960), (10, 2090189664), (12, 1741824720), (15, 1393459776), (16, 1306368540), (18, 1161216480), (20, 1045094832), (24, 870912360), (27, 774144320), (30, 696729888), (32, 653184270), (36, 580608240), (40, 522547416), (45, 464486592), (48, 435456180), (54, 387072160), (60, 348364944), (64, 326592135), (72, 290304120), (80, 261273708), (83, 251830080), (90, 232243296), (96, 217728090), (108, 193536080), (120, 174182472), (135, 154828864), (144, 145152060), (160, 130636854), (166, 125915040), (180, 116121648), (192, 108864045), (216, 96768040), (240, 87091236), (249, 83943360), (270, 77414432), (288, 72576030), (320, 65318427), (332, 62957520), (360, 58060824), (415, 50366016), (432, 48384020), (480, 43545618), (498, 41971680), (540, 38707216), (576, 36288015), (664, 31478760), (720, 29030412), (747, 27981120), (830, 25183008), (864, 24192010), (960, 21772809), (996, 20985840), (1080, 19353608), (1245, 16788672), (1328, 15739380), (1440, 14515206), (1494, 13990560), (1660, 12591504), (1728, 12096005), (1992, 10492920), (2160, 9676804), (2241, 9327040), (2490, 8394336), (2656, 7869690), (2880, 7257603), (2988, 6995280), (3320, 6295752), (3735, 5596224), (3984, 5246460), (4320, 4838402), (4482, 4663520), (4980, 4197168), (5312, 3934845), (5976, 3497640), (6640, 3147876), (7470, 2798112), (7968, 2623230), (8640, 2419201), (8964, 2331760), (9960, 2098584), (11205, 1865408), (11952, 1748820), (13280, 1573938), (14940, 1399056), (15936, 1311615), (17928, 1165880), (19920, 1049292), (22410, 932704), (23904, 874410), (26560, 786969), (29147, 717120), (29880, 699528), (35856, 582940), (39840, 524646), (44820, 466352), (47808, 437205), (58294, 358560), (59760, 349764), (71712, 291470), (79680, 262323), (87441, 239040), (89640, 233176), (116588, 179280), (119520, 174882), (143424, 145735)]