20827000

素因数分解:

$2^3\times 5^3\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 49701600

約数和(自身を除く): 28874600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 125, 200, 236, 250, 295, 353, 472, 500, 590, 706, 1000, 1180, 1412, 1475, 1765, 2360, 2824, 2950, 3530, 5900, 7060, 7375, 8825, 11800, 14120, 14750, 17650, 20827, 29500, 35300, 41654, 44125, 59000, 70600, 83308, 88250, 104135, 166616, 176500, 208270, 353000, 416540, 520675, 833080, 1041350, 2082700, 2603375, 4165400, 5206750, 10413500, 20827000]

約数ペア:

[(1, 20827000), (2, 10413500), (4, 5206750), (5, 4165400), (8, 2603375), (10, 2082700), (20, 1041350), (25, 833080), (40, 520675), (50, 416540), (59, 353000), (100, 208270), (118, 176500), (125, 166616), (200, 104135), (236, 88250), (250, 83308), (295, 70600), (353, 59000), (472, 44125), (500, 41654), (590, 35300), (706, 29500), (1000, 20827), (1180, 17650), (1412, 14750), (1475, 14120), (1765, 11800), (2360, 8825), (2824, 7375), (2950, 7060), (3530, 5900)]