20297600

素因数分解:

$2^7\times 5^2\times {\mathrm{6343}}^1$

素因数の和:6367

約数の個数: 48

約数和(自身を含む): 50149320

約数和(自身を除く): 29851720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6343, 12686, 25372, 31715, 50744, 63430, 101488, 126860, 158575, 202976, 253720, 317150, 405952, 507440, 634300, 811904, 1014880, 1268600, 2029760, 2537200, 4059520, 5074400, 10148800, 20297600]

約数ペア:

[(1, 20297600), (2, 10148800), (4, 5074400), (5, 4059520), (8, 2537200), (10, 2029760), (16, 1268600), (20, 1014880), (25, 811904), (32, 634300), (40, 507440), (50, 405952), (64, 317150), (80, 253720), (100, 202976), (128, 158575), (160, 126860), (200, 101488), (320, 63430), (400, 50744), (640, 31715), (800, 25372), (1600, 12686), (3200, 6343)]