20573000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{2939}}^1$

素因数の和:2967

約数の個数: 64

約数和(自身を含む): 55036800

約数和(自身を除く): 34463800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 2939, 3500, 5878, 7000, 11756, 14695, 20573, 23512, 29390, 41146, 58780, 73475, 82292, 102865, 117560, 146950, 164584, 205730, 293900, 367375, 411460, 514325, 587800, 734750, 822920, 1028650, 1469500, 2057300, 2571625, 2939000, 4114600, 5143250, 10286500, 20573000]

約数ペア:

[(1, 20573000), (2, 10286500), (4, 5143250), (5, 4114600), (7, 2939000), (8, 2571625), (10, 2057300), (14, 1469500), (20, 1028650), (25, 822920), (28, 734750), (35, 587800), (40, 514325), (50, 411460), (56, 367375), (70, 293900), (100, 205730), (125, 164584), (140, 146950), (175, 117560), (200, 102865), (250, 82292), (280, 73475), (350, 58780), (500, 41146), (700, 29390), (875, 23512), (1000, 20573), (1400, 14695), (1750, 11756), (2939, 7000), (3500, 5878)]