20699000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{2957}}^1$

素因数の和:2985

約数の個数: 64

約数和(自身を含む): 55373760

約数和(自身を除く): 34674760

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, 2957, 3500, 5914, 7000, 11828, 14785, 20699, 23656, 29570, 41398, 59140, 73925, 82796, 103495, 118280, 147850, 165592, 206990, 295700, 369625, 413980, 517475, 591400, 739250, 827960, 1034950, 1478500, 2069900, 2587375, 2957000, 4139800, 5174750, 10349500, 20699000]

約数ペア:

[(1, 20699000), (2, 10349500), (4, 5174750), (5, 4139800), (7, 2957000), (8, 2587375), (10, 2069900), (14, 1478500), (20, 1034950), (25, 827960), (28, 739250), (35, 591400), (40, 517475), (50, 413980), (56, 369625), (70, 295700), (100, 206990), (125, 165592), (140, 147850), (175, 118280), (200, 103495), (250, 82796), (280, 73925), (350, 59140), (500, 41398), (700, 29570), (875, 23656), (1000, 20699), (1400, 14785), (1750, 11828), (2957, 7000), (3500, 5914)]