20244800

素因数分解:

$2^6\times 5^2\times {\mathrm{12653}}^1$

素因数の和:12675

約数の個数: 42

約数和(自身を含む): 49818798

約数和(自身を除く): 29573998

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12653, 25306, 50612, 63265, 101224, 126530, 202448, 253060, 316325, 404896, 506120, 632650, 809792, 1012240, 1265300, 2024480, 2530600, 4048960, 5061200, 10122400, 20244800]

約数ペア:

[(1, 20244800), (2, 10122400), (4, 5061200), (5, 4048960), (8, 2530600), (10, 2024480), (16, 1265300), (20, 1012240), (25, 809792), (32, 632650), (40, 506120), (50, 404896), (64, 316325), (80, 253060), (100, 202448), (160, 126530), (200, 101224), (320, 63265), (400, 50612), (800, 25306), (1600, 12653)]