20588800

素因数分解:

$2^8\times 5^2\times {\mathrm{3217}}^1$

素因数の和:3243

約数の個数: 54

約数和(自身を含む): 50976338

約数和(自身を除く): 30387538

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 3217, 6400, 6434, 12868, 16085, 25736, 32170, 51472, 64340, 80425, 102944, 128680, 160850, 205888, 257360, 321700, 411776, 514720, 643400, 823552, 1029440, 1286800, 2058880, 2573600, 4117760, 5147200, 10294400, 20588800]

約数ペア:

[(1, 20588800), (2, 10294400), (4, 5147200), (5, 4117760), (8, 2573600), (10, 2058880), (16, 1286800), (20, 1029440), (25, 823552), (32, 643400), (40, 514720), (50, 411776), (64, 321700), (80, 257360), (100, 205888), (128, 160850), (160, 128680), (200, 102944), (256, 80425), (320, 64340), (400, 51472), (640, 32170), (800, 25736), (1280, 16085), (1600, 12868), (3200, 6434), (3217, 6400)]