20918733

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15461}}^1$

素因数の和:15516

約数の個数: 16

約数和(自身を含む): 31171392

約数和(自身を除く): 10252659

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15461, 46383, 170071, 510213, 633901, 1901703, 6972911, 20918733]

約数ペア:

[(1, 20918733), (3, 6972911), (11, 1901703), (33, 633901), (41, 510213), (123, 170071), (451, 46383), (1353, 15461)]