20267872009

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{77213}}^1$

素因数の和:77725

約数の個数: 24

約数和(自身を含む): 25773415488

約数和(自身を除く): 5505543479

約数列:

[1, 7, 11, 49, 77, 487, 539, 3409, 5357, 23863, 37499, 77213, 262493, 540491, 849343, 3783437, 5945401, 37602731, 41617807, 263219117, 413630041, 1842533819, 2895410287, 20267872009]

約数ペア:

[(1, 20267872009), (7, 2895410287), (11, 1842533819), (49, 413630041), (77, 263219117), (487, 41617807), (539, 37602731), (3409, 5945401), (5357, 3783437), (23863, 849343), (37499, 540491), (77213, 262493)]