20167960960

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{91873}}^1$

素因数の和:91913

約数の個数: 128

約数和(自身を含む): 56226888000

約数和(自身を除く): 36058927040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1372, 1568, 1715, 1960, 2240, 2744, 3136, 3430, 3920, 4480, 5488, 6272, 6860, 7840, 10976, 13720, 15680, 21952, 27440, 31360, 43904, 54880, 91873, 109760, 183746, 219520, 367492, 459365, 643111, 734984, 918730, 1286222, 1469968, 1837460, 2572444, 2939936, 3215555, 3674920, 4501777, 5144888, 5879872, 6431110, 7349840, 9003554, 10289776, 11759744, 12862220, 14699680, 18007108, 20579552, 22508885, 25724440, 29399360, 31512439, 36014216, 41159104, 45017770, 51448880, 58798720, 63024878, 72028432, 82318208, 90035540, 102897760, 126049756, 144056864, 157562195, 180071080, 205795520, 252099512, 288113728, 315124390, 360142160, 411591040, 504199024, 576227456, 630248780, 720284320, 1008398048, 1260497560, 1440568640, 2016796096, 2520995120, 2881137280, 4033592192, 5041990240, 10083980480, 20167960960]

約数ペア:

[(1, 20167960960), (2, 10083980480), (4, 5041990240), (5, 4033592192), (7, 2881137280), (8, 2520995120), (10, 2016796096), (14, 1440568640), (16, 1260497560), (20, 1008398048), (28, 720284320), (32, 630248780), (35, 576227456), (40, 504199024), (49, 411591040), (56, 360142160), (64, 315124390), (70, 288113728), (80, 252099512), (98, 205795520), (112, 180071080), (128, 157562195), (140, 144056864), (160, 126049756), (196, 102897760), (224, 90035540), (245, 82318208), (280, 72028432), (320, 63024878), (343, 58798720), (392, 51448880), (448, 45017770), (490, 41159104), (560, 36014216), (640, 31512439), (686, 29399360), (784, 25724440), (896, 22508885), (980, 20579552), (1120, 18007108), (1372, 14699680), (1568, 12862220), (1715, 11759744), (1960, 10289776), (2240, 9003554), (2744, 7349840), (3136, 6431110), (3430, 5879872), (3920, 5144888), (4480, 4501777), (5488, 3674920), (6272, 3215555), (6860, 2939936), (7840, 2572444), (10976, 1837460), (13720, 1469968), (15680, 1286222), (21952, 918730), (27440, 734984), (31360, 643111), (43904, 459365), (54880, 367492), (91873, 219520), (109760, 183746)]