20792000

素因数分解:

$2^6\times 5^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:163

約数の個数: 112

約数和(自身を含む): 54205632

約数和(自身を除く): 33413632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 113, 115, 125, 160, 184, 200, 226, 230, 250, 320, 368, 400, 452, 460, 500, 565, 575, 736, 800, 904, 920, 1000, 1130, 1150, 1472, 1600, 1808, 1840, 2000, 2260, 2300, 2599, 2825, 2875, 3616, 3680, 4000, 4520, 4600, 5198, 5650, 5750, 7232, 7360, 8000, 9040, 9200, 10396, 11300, 11500, 12995, 14125, 18080, 18400, 20792, 22600, 23000, 25990, 28250, 36160, 36800, 41584, 45200, 46000, 51980, 56500, 64975, 83168, 90400, 92000, 103960, 113000, 129950, 166336, 180800, 184000, 207920, 226000, 259900, 324875, 415840, 452000, 519800, 649750, 831680, 904000, 1039600, 1299500, 2079200, 2599000, 4158400, 5198000, 10396000, 20792000]

約数ペア:

[(1, 20792000), (2, 10396000), (4, 5198000), (5, 4158400), (8, 2599000), (10, 2079200), (16, 1299500), (20, 1039600), (23, 904000), (25, 831680), (32, 649750), (40, 519800), (46, 452000), (50, 415840), (64, 324875), (80, 259900), (92, 226000), (100, 207920), (113, 184000), (115, 180800), (125, 166336), (160, 129950), (184, 113000), (200, 103960), (226, 92000), (230, 90400), (250, 83168), (320, 64975), (368, 56500), (400, 51980), (452, 46000), (460, 45200), (500, 41584), (565, 36800), (575, 36160), (736, 28250), (800, 25990), (904, 23000), (920, 22600), (1000, 20792), (1130, 18400), (1150, 18080), (1472, 14125), (1600, 12995), (1808, 11500), (1840, 11300), (2000, 10396), (2260, 9200), (2300, 9040), (2599, 8000), (2825, 7360), (2875, 7232), (3616, 5750), (3680, 5650), (4000, 5198), (4520, 4600)]