20643038208

素因数分解:

$2^{10}\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4007}}^1$

素因数の和:4089

約数の個数: 264

約数和(自身を含む): 65700643008

約数和(自身を除く): 45057604800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 64, 72, 78, 86, 96, 104, 117, 128, 129, 144, 156, 172, 192, 208, 234, 256, 258, 288, 312, 344, 384, 387, 416, 468, 512, 516, 559, 576, 624, 688, 768, 774, 832, 936, 1024, 1032, 1118, 1152, 1248, 1376, 1536, 1548, 1664, 1677, 1872, 2064, 2236, 2304, 2496, 2752, 3072, 3096, 3328, 3354, 3744, 4007, 4128, 4472, 4608, 4992, 5031, 5504, 6192, 6656, 6708, 7488, 8014, 8256, 8944, 9216, 9984, 10062, 11008, 12021, 12384, 13312, 13416, 14976, 16028, 16512, 17888, 19968, 20124, 22016, 24042, 24768, 26832, 29952, 32056, 33024, 35776, 36063, 39936, 40248, 44032, 48084, 49536, 52091, 53664, 59904, 64112, 66048, 71552, 72126, 80496, 96168, 99072, 104182, 107328, 119808, 128224, 132096, 143104, 144252, 156273, 160992, 172301, 192336, 198144, 208364, 214656, 256448, 286208, 288504, 312546, 321984, 344602, 384672, 396288, 416728, 429312, 468819, 512896, 516903, 572416, 577008, 625092, 643968, 689204, 769344, 833456, 858624, 937638, 1025792, 1033806, 1154016, 1250184, 1287936, 1378408, 1538688, 1550709, 1666912, 1717248, 1875276, 2051584, 2067612, 2239913, 2308032, 2500368, 2575872, 2756816, 3077376, 3101418, 3333824, 3750552, 4103168, 4135224, 4479826, 4616064, 5000736, 5151744, 5513632, 6154752, 6202836, 6667648, 6719739, 7501104, 8270448, 8959652, 9232128, 10001472, 11027264, 12309504, 12405672, 13335296, 13439478, 15002208, 16540896, 17919304, 18464256, 20002944, 20159217, 22054528, 24811344, 26670592, 26878956, 30004416, 33081792, 35838608, 36928512, 40005888, 40318434, 44109056, 49622688, 53341184, 53757912, 60008832, 66163584, 71677216, 80011776, 80636868, 88218112, 99245376, 107515824, 120017664, 132327168, 143354432, 160023552, 161273736, 176436224, 198490752, 215031648, 240035328, 264654336, 286708864, 322547472, 396981504, 430063296, 480070656, 529308672, 573417728, 645094944, 793963008, 860126592, 1146835456, 1290189888, 1587926016, 1720253184, 2293670912, 2580379776, 3440506368, 5160759552, 6881012736, 10321519104, 20643038208]

約数ペア:

[(1, 20643038208), (2, 10321519104), (3, 6881012736), (4, 5160759552), (6, 3440506368), (8, 2580379776), (9, 2293670912), (12, 1720253184), (13, 1587926016), (16, 1290189888), (18, 1146835456), (24, 860126592), (26, 793963008), (32, 645094944), (36, 573417728), (39, 529308672), (43, 480070656), (48, 430063296), (52, 396981504), (64, 322547472), (72, 286708864), (78, 264654336), (86, 240035328), (96, 215031648), (104, 198490752), (117, 176436224), (128, 161273736), (129, 160023552), (144, 143354432), (156, 132327168), (172, 120017664), (192, 107515824), (208, 99245376), (234, 88218112), (256, 80636868), (258, 80011776), (288, 71677216), (312, 66163584), (344, 60008832), (384, 53757912), (387, 53341184), (416, 49622688), (468, 44109056), (512, 40318434), (516, 40005888), (559, 36928512), (576, 35838608), (624, 33081792), (688, 30004416), (768, 26878956), (774, 26670592), (832, 24811344), (936, 22054528), (1024, 20159217), (1032, 20002944), (1118, 18464256), (1152, 17919304), (1248, 16540896), (1376, 15002208), (1536, 13439478), (1548, 13335296), (1664, 12405672), (1677, 12309504), (1872, 11027264), (2064, 10001472), (2236, 9232128), (2304, 8959652), (2496, 8270448), (2752, 7501104), (3072, 6719739), (3096, 6667648), (3328, 6202836), (3354, 6154752), (3744, 5513632), (4007, 5151744), (4128, 5000736), (4472, 4616064), (4608, 4479826), (4992, 4135224), (5031, 4103168), (5504, 3750552), (6192, 3333824), (6656, 3101418), (6708, 3077376), (7488, 2756816), (8014, 2575872), (8256, 2500368), (8944, 2308032), (9216, 2239913), (9984, 2067612), (10062, 2051584), (11008, 1875276), (12021, 1717248), (12384, 1666912), (13312, 1550709), (13416, 1538688), (14976, 1378408), (16028, 1287936), (16512, 1250184), (17888, 1154016), (19968, 1033806), (20124, 1025792), (22016, 937638), (24042, 858624), (24768, 833456), (26832, 769344), (29952, 689204), (32056, 643968), (33024, 625092), (35776, 577008), (36063, 572416), (39936, 516903), (40248, 512896), (44032, 468819), (48084, 429312), (49536, 416728), (52091, 396288), (53664, 384672), (59904, 344602), (64112, 321984), (66048, 312546), (71552, 288504), (72126, 286208), (80496, 256448), (96168, 214656), (99072, 208364), (104182, 198144), (107328, 192336), (119808, 172301), (128224, 160992), (132096, 156273), (143104, 144252)]