20085384473

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{640907}}^1$

素因数の和:640973

約数の個数: 24

約数和(自身を含む): 25913192256

約数和(自身を除く): 5827807783

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 847, 2849, 4477, 31339, 640907, 4486349, 7049977, 23713559, 49349839, 77549747, 165994913, 260849149, 542848229, 1825944043, 2869340639, 20085384473]

約数ペア:

[(1, 20085384473), (7, 2869340639), (11, 1825944043), (37, 542848229), (77, 260849149), (121, 165994913), (259, 77549747), (407, 49349839), (847, 23713559), (2849, 7049977), (4477, 4486349), (31339, 640907)]