20199456310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{360769}}^1$

素因数の和:361296

約数の個数: 32

約数和(自身を含む): 39742423200

約数和(自身を除く): 19542966890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 509, 1018, 2545, 5090, 5599, 11198, 27995, 55990, 360769, 721538, 1803845, 3607690, 3968459, 7936918, 19842295, 39684590, 183631421, 367262842, 918157105, 1836314210, 2019945631, 4039891262, 10099728155, 20199456310]

約数ペア:

[(1, 20199456310), (2, 10099728155), (5, 4039891262), (10, 2019945631), (11, 1836314210), (22, 918157105), (55, 367262842), (110, 183631421), (509, 39684590), (1018, 19842295), (2545, 7936918), (5090, 3968459), (5599, 3607690), (11198, 1803845), (27995, 721538), (55990, 360769)]