20199041260

素因数分解:

$2^2\times 5^1\times {\mathrm{17987}}^1\times {\mathrm{56149}}^1$

素因数の和:74145

約数の個数: 24

約数和(自身を含む): 42421100400

約数和(自身を除く): 22222059140

約数列:

[1, 2, 4, 5, 10, 20, 17987, 35974, 56149, 71948, 89935, 112298, 179870, 224596, 280745, 359740, 561490, 1122980, 1009952063, 2019904126, 4039808252, 5049760315, 10099520630, 20199041260]

約数ペア:

[(1, 20199041260), (2, 10099520630), (4, 5049760315), (5, 4039808252), (10, 2019904126), (20, 1009952063), (17987, 1122980), (35974, 561490), (56149, 359740), (71948, 280745), (89935, 224596), (112298, 179870)]