20024960

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 48690720

約数和(自身を除く): 28665760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 467, 536, 640, 670, 934, 1072, 1340, 1868, 2144, 2335, 2680, 3736, 4288, 4670, 5360, 7472, 8576, 9340, 10720, 14944, 18680, 21440, 29888, 31289, 37360, 42880, 59776, 62578, 74720, 125156, 149440, 156445, 250312, 298880, 312890, 500624, 625780, 1001248, 1251560, 2002496, 2503120, 4004992, 5006240, 10012480, 20024960]

約数ペア:

[(1, 20024960), (2, 10012480), (4, 5006240), (5, 4004992), (8, 2503120), (10, 2002496), (16, 1251560), (20, 1001248), (32, 625780), (40, 500624), (64, 312890), (67, 298880), (80, 250312), (128, 156445), (134, 149440), (160, 125156), (268, 74720), (320, 62578), (335, 59776), (467, 42880), (536, 37360), (640, 31289), (670, 29888), (934, 21440), (1072, 18680), (1340, 14944), (1868, 10720), (2144, 9340), (2335, 8576), (2680, 7472), (3736, 5360), (4288, 4670)]