20178077160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{481807}}^1$

素因数の和:482170

約数の個数: 64

約数和(自身を含む): 60707808000

約数和(自身を除く): 40529730840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 349, 698, 1047, 1396, 1745, 2094, 2792, 3490, 4188, 5235, 6980, 8376, 10470, 13960, 20940, 41880, 481807, 963614, 1445421, 1927228, 2409035, 2890842, 3854456, 4818070, 5781684, 7227105, 9636140, 11563368, 14454210, 19272280, 28908420, 57816840, 168150643, 336301286, 504451929, 672602572, 840753215, 1008903858, 1345205144, 1681506430, 2017807716, 2522259645, 3363012860, 4035615432, 5044519290, 6726025720, 10089038580, 20178077160]

約数ペア:

[(1, 20178077160), (2, 10089038580), (3, 6726025720), (4, 5044519290), (5, 4035615432), (6, 3363012860), (8, 2522259645), (10, 2017807716), (12, 1681506430), (15, 1345205144), (20, 1008903858), (24, 840753215), (30, 672602572), (40, 504451929), (60, 336301286), (120, 168150643), (349, 57816840), (698, 28908420), (1047, 19272280), (1396, 14454210), (1745, 11563368), (2094, 9636140), (2792, 7227105), (3490, 5781684), (4188, 4818070), (5235, 3854456), (6980, 2890842), (8376, 2409035), (10470, 1927228), (13960, 1445421), (20940, 963614), (41880, 481807)]