20614407

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 30547440

約数和(自身を除く): 9933033

約数列:

[1, 3, 11, 33, 109, 121, 327, 363, 521, 1199, 1563, 3597, 5731, 13189, 17193, 39567, 56789, 63041, 170367, 189123, 624679, 1874037, 6871469, 20614407]

約数ペア:

[(1, 20614407), (3, 6871469), (11, 1874037), (33, 624679), (109, 189123), (121, 170367), (327, 63041), (363, 56789), (521, 39567), (1199, 17193), (1563, 13189), (3597, 5731)]