20985549

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14543}}^1$

素因数の和:14596

約数の個数: 16

約数和(自身を含む): 30949632

約数和(自身を除く): 9964083

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 14543, 43629, 189059, 538091, 567177, 1614273, 6995183, 20985549]

約数ペア:

[(1, 20985549), (3, 6995183), (13, 1614273), (37, 567177), (39, 538091), (111, 189059), (481, 43629), (1443, 14543)]