20701604

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67213}}^1$

素因数の和:67235

約数の個数: 24

約数和(自身を含む): 45167808

約数和(自身を除く): 24466204

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67213, 134426, 268852, 470491, 739343, 940982, 1478686, 1881964, 2957372, 5175401, 10350802, 20701604]

約数ペア:

[(1, 20701604), (2, 10350802), (4, 5175401), (7, 2957372), (11, 1881964), (14, 1478686), (22, 940982), (28, 739343), (44, 470491), (77, 268852), (154, 134426), (308, 67213)]