20640477

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{3701}}^1$

素因数の和:3741

約数の個数: 24

約数和(自身を含む): 32518368

約数和(自身を除く): 11877891

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 507, 1859, 3701, 5577, 11103, 40711, 48113, 122133, 144339, 529243, 625469, 1587729, 1876407, 6880159, 20640477]

約数ペア:

[(1, 20640477), (3, 6880159), (11, 1876407), (13, 1587729), (33, 625469), (39, 529243), (143, 144339), (169, 122133), (429, 48113), (507, 40711), (1859, 11103), (3701, 5577)]