20399769

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19373}}^1$

素因数の和:19398

約数の個数: 20

約数和(自身を含む): 32819556

約数和(自身を除く): 12419787

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19373, 58119, 174357, 251849, 523071, 755547, 1569213, 2266641, 6799923, 20399769]

約数ペア:

[(1, 20399769), (3, 6799923), (9, 2266641), (13, 1569213), (27, 755547), (39, 523071), (81, 251849), (117, 174357), (351, 58119), (1053, 19373)]