201684820

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{6221}}^1$

素因数の和:7851

約数の個数: 24

約数和(自身を含む): 423867528

約数和(自身を除く): 222182708

約数列:

[1, 2, 4, 5, 10, 20, 1621, 3242, 6221, 6484, 8105, 12442, 16210, 24884, 31105, 32420, 62210, 124420, 10084241, 20168482, 40336964, 50421205, 100842410, 201684820]

約数ペア:

[(1, 201684820), (2, 100842410), (4, 50421205), (5, 40336964), (10, 20168482), (20, 10084241), (1621, 124420), (3242, 62210), (6221, 32420), (6484, 31105), (8105, 24884), (12442, 16210)]