20261200

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^3$

素因数の和:129

約数の個数: 60

約数和(自身を含む): 50029660

約数和(自身を除く): 29768460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1369, 1480, 1850, 2738, 2960, 3700, 5476, 6845, 7400, 10952, 13690, 14800, 21904, 27380, 34225, 50653, 54760, 68450, 101306, 109520, 136900, 202612, 253265, 273800, 405224, 506530, 547600, 810448, 1013060, 1266325, 2026120, 2532650, 4052240, 5065300, 10130600, 20261200]

約数ペア:

[(1, 20261200), (2, 10130600), (4, 5065300), (5, 4052240), (8, 2532650), (10, 2026120), (16, 1266325), (20, 1013060), (25, 810448), (37, 547600), (40, 506530), (50, 405224), (74, 273800), (80, 253265), (100, 202612), (148, 136900), (185, 109520), (200, 101306), (296, 68450), (370, 54760), (400, 50653), (592, 34225), (740, 27380), (925, 21904), (1369, 14800), (1480, 13690), (1850, 10952), (2738, 7400), (2960, 6845), (3700, 5476)]