20786000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:589

約数の個数: 80

約数和(自身を含む): 53002560

約数和(自身を除く): 32216560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 380, 400, 475, 500, 547, 760, 950, 1000, 1094, 1520, 1900, 2000, 2188, 2375, 2735, 3800, 4376, 4750, 5470, 7600, 8752, 9500, 10393, 10940, 13675, 19000, 20786, 21880, 27350, 38000, 41572, 43760, 51965, 54700, 68375, 83144, 103930, 109400, 136750, 166288, 207860, 218800, 259825, 273500, 415720, 519650, 547000, 831440, 1039300, 1094000, 1299125, 2078600, 2598250, 4157200, 5196500, 10393000, 20786000]

約数ペア:

[(1, 20786000), (2, 10393000), (4, 5196500), (5, 4157200), (8, 2598250), (10, 2078600), (16, 1299125), (19, 1094000), (20, 1039300), (25, 831440), (38, 547000), (40, 519650), (50, 415720), (76, 273500), (80, 259825), (95, 218800), (100, 207860), (125, 166288), (152, 136750), (190, 109400), (200, 103930), (250, 83144), (304, 68375), (380, 54700), (400, 51965), (475, 43760), (500, 41572), (547, 38000), (760, 27350), (950, 21880), (1000, 20786), (1094, 19000), (1520, 13675), (1900, 10940), (2000, 10393), (2188, 9500), (2375, 8752), (2735, 7600), (3800, 5470), (4376, 4750)]