20813800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14867}}^1$

素因数の和:14890

約数の個数: 48

約数和(自身を含む): 55308960

約数和(自身を除く): 34495160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 14867, 29734, 59468, 74335, 104069, 118936, 148670, 208138, 297340, 371675, 416276, 520345, 594680, 743350, 832552, 1040690, 1486700, 2081380, 2601725, 2973400, 4162760, 5203450, 10406900, 20813800]

約数ペア:

[(1, 20813800), (2, 10406900), (4, 5203450), (5, 4162760), (7, 2973400), (8, 2601725), (10, 2081380), (14, 1486700), (20, 1040690), (25, 832552), (28, 743350), (35, 594680), (40, 520345), (50, 416276), (56, 371675), (70, 297340), (100, 208138), (140, 148670), (175, 118936), (200, 104069), (280, 74335), (350, 59468), (700, 29734), (1400, 14867)]