20796477

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12401}}^1$

素因数の和:12460

約数の個数: 16

約数和(自身を含む): 30558528

約数和(自身を除く): 9762051

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12401, 37203, 161213, 483639, 533243, 1599729, 6932159, 20796477]

約数ペア:

[(1, 20796477), (3, 6932159), (13, 1599729), (39, 533243), (43, 483639), (129, 161213), (559, 37203), (1677, 12401)]