20263581

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57731}}^1$

素因数の和:57753

約数の個数: 16

約数和(自身を含む): 32329920

約数和(自身を除く): 12066339

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57731, 173193, 519579, 750503, 1558737, 2251509, 6754527, 20263581]

約数ペア:

[(1, 20263581), (3, 6754527), (9, 2251509), (13, 1558737), (27, 750503), (39, 519579), (117, 173193), (351, 57731)]