20276800

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:93

約数の個数: 168

約数和(自身を含む): 56692800

約数和(自身を除く): 36416000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 29, 32, 38, 40, 46, 50, 58, 64, 76, 80, 92, 95, 100, 115, 116, 145, 152, 160, 184, 190, 200, 230, 232, 290, 304, 320, 368, 380, 400, 437, 460, 464, 475, 551, 575, 580, 608, 667, 725, 736, 760, 800, 874, 920, 928, 950, 1102, 1150, 1160, 1216, 1334, 1450, 1472, 1520, 1600, 1748, 1840, 1856, 1900, 2185, 2204, 2300, 2320, 2668, 2755, 2900, 3040, 3335, 3496, 3680, 3800, 4370, 4408, 4600, 4640, 5336, 5510, 5800, 6080, 6670, 6992, 7360, 7600, 8740, 8816, 9200, 9280, 10672, 10925, 11020, 11600, 12673, 13340, 13775, 13984, 15200, 16675, 17480, 17632, 18400, 21344, 21850, 22040, 23200, 25346, 26680, 27550, 27968, 30400, 33350, 34960, 35264, 36800, 42688, 43700, 44080, 46400, 50692, 53360, 55100, 63365, 66700, 69920, 87400, 88160, 101384, 106720, 110200, 126730, 133400, 139840, 174800, 176320, 202768, 213440, 220400, 253460, 266800, 316825, 349600, 405536, 440800, 506920, 533600, 633650, 699200, 811072, 881600, 1013840, 1067200, 1267300, 2027680, 2534600, 4055360, 5069200, 10138400, 20276800]

約数ペア:

[(1, 20276800), (2, 10138400), (4, 5069200), (5, 4055360), (8, 2534600), (10, 2027680), (16, 1267300), (19, 1067200), (20, 1013840), (23, 881600), (25, 811072), (29, 699200), (32, 633650), (38, 533600), (40, 506920), (46, 440800), (50, 405536), (58, 349600), (64, 316825), (76, 266800), (80, 253460), (92, 220400), (95, 213440), (100, 202768), (115, 176320), (116, 174800), (145, 139840), (152, 133400), (160, 126730), (184, 110200), (190, 106720), (200, 101384), (230, 88160), (232, 87400), (290, 69920), (304, 66700), (320, 63365), (368, 55100), (380, 53360), (400, 50692), (437, 46400), (460, 44080), (464, 43700), (475, 42688), (551, 36800), (575, 35264), (580, 34960), (608, 33350), (667, 30400), (725, 27968), (736, 27550), (760, 26680), (800, 25346), (874, 23200), (920, 22040), (928, 21850), (950, 21344), (1102, 18400), (1150, 17632), (1160, 17480), (1216, 16675), (1334, 15200), (1450, 13984), (1472, 13775), (1520, 13340), (1600, 12673), (1748, 11600), (1840, 11020), (1856, 10925), (1900, 10672), (2185, 9280), (2204, 9200), (2300, 8816), (2320, 8740), (2668, 7600), (2755, 7360), (2900, 6992), (3040, 6670), (3335, 6080), (3496, 5800), (3680, 5510), (3800, 5336), (4370, 4640), (4408, 4600)]