20550720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21407}}^1$

素因数の和:21427

約数の個数: 56

約数和(自身を含む): 65251584

約数和(自身を除く): 44700864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21407, 42814, 64221, 85628, 107035, 128442, 171256, 214070, 256884, 321105, 342512, 428140, 513768, 642210, 685024, 856280, 1027536, 1284420, 1370048, 1712560, 2055072, 2568840, 3425120, 4110144, 5137680, 6850240, 10275360, 20550720]

約数ペア:

[(1, 20550720), (2, 10275360), (3, 6850240), (4, 5137680), (5, 4110144), (6, 3425120), (8, 2568840), (10, 2055072), (12, 1712560), (15, 1370048), (16, 1284420), (20, 1027536), (24, 856280), (30, 685024), (32, 642210), (40, 513768), (48, 428140), (60, 342512), (64, 321105), (80, 256884), (96, 214070), (120, 171256), (160, 128442), (192, 107035), (240, 85628), (320, 64221), (480, 42814), (960, 21407)]