20011719

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73303}}^1$

素因数の和:73326

約数の個数: 16

約数和(自身を含む): 32840192

約数和(自身を除く): 12828473

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 73303, 219909, 513121, 952939, 1539363, 2858817, 6670573, 20011719]

約数ペア:

[(1, 20011719), (3, 6670573), (7, 2858817), (13, 1539363), (21, 952939), (39, 513121), (91, 219909), (273, 73303)]