20935719

素因数分解:

$3^3\times 7^1\times {\mathrm{110771}}^1$

素因数の和:110787

約数の個数: 16

約数和(自身を含む): 35447040

約数和(自身を除く): 14511321

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 110771, 332313, 775397, 996939, 2326191, 2990817, 6978573, 20935719]

約数ペア:

[(1, 20935719), (3, 6978573), (7, 2990817), (9, 2326191), (21, 996939), (27, 775397), (63, 332313), (189, 110771)]