20921600

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{467}}^1$

素因数の和:500

約数の個数: 108

約数和(自身を含む): 59308704

約数和(自身を除く): 38387104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 256, 280, 320, 350, 400, 448, 467, 560, 640, 700, 800, 896, 934, 1120, 1280, 1400, 1600, 1792, 1868, 2240, 2335, 2800, 3200, 3269, 3736, 4480, 4670, 5600, 6400, 6538, 7472, 8960, 9340, 11200, 11675, 13076, 14944, 16345, 18680, 22400, 23350, 26152, 29888, 32690, 37360, 44800, 46700, 52304, 59776, 65380, 74720, 81725, 93400, 104608, 119552, 130760, 149440, 163450, 186800, 209216, 261520, 298880, 326900, 373600, 418432, 523040, 597760, 653800, 747200, 836864, 1046080, 1307600, 1494400, 2092160, 2615200, 2988800, 4184320, 5230400, 10460800, 20921600]

約数ペア:

[(1, 20921600), (2, 10460800), (4, 5230400), (5, 4184320), (7, 2988800), (8, 2615200), (10, 2092160), (14, 1494400), (16, 1307600), (20, 1046080), (25, 836864), (28, 747200), (32, 653800), (35, 597760), (40, 523040), (50, 418432), (56, 373600), (64, 326900), (70, 298880), (80, 261520), (100, 209216), (112, 186800), (128, 163450), (140, 149440), (160, 130760), (175, 119552), (200, 104608), (224, 93400), (256, 81725), (280, 74720), (320, 65380), (350, 59776), (400, 52304), (448, 46700), (467, 44800), (560, 37360), (640, 32690), (700, 29888), (800, 26152), (896, 23350), (934, 22400), (1120, 18680), (1280, 16345), (1400, 14944), (1600, 13076), (1792, 11675), (1868, 11200), (2240, 9340), (2335, 8960), (2800, 7472), (3200, 6538), (3269, 6400), (3736, 5600), (4480, 4670)]