20504099

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 26334000

約数和(自身を除く): 5829901

約数列:

[1, 7, 11, 49, 77, 109, 349, 539, 763, 1199, 2443, 3839, 5341, 8393, 17101, 26873, 38041, 58751, 188111, 266287, 418451, 1864009, 2929157, 20504099]

約数ペア:

[(1, 20504099), (7, 2929157), (11, 1864009), (49, 418451), (77, 266287), (109, 188111), (349, 58751), (539, 38041), (763, 26873), (1199, 17101), (2443, 8393), (3839, 5341)]