20406087

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19379}}^1$

素因数の和:19404

約数の個数: 20

約数和(自身を含む): 32829720

約数和(自身を除く): 12423633

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19379, 58137, 174411, 251927, 523233, 755781, 1569699, 2267343, 6802029, 20406087]

約数ペア:

[(1, 20406087), (3, 6802029), (9, 2267343), (13, 1569699), (27, 755781), (39, 523233), (81, 251927), (117, 174411), (351, 58137), (1053, 19379)]