20539953

素因数分解:

$3^3\times 7^1\times {\mathrm{108677}}^1$

素因数の和:108693

約数の個数: 16

約数和(自身を含む): 34776960

約数和(自身を除く): 14237007

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 108677, 326031, 760739, 978093, 2282217, 2934279, 6846651, 20539953]

約数ペア:

[(1, 20539953), (3, 6846651), (7, 2934279), (9, 2282217), (21, 978093), (27, 760739), (63, 326031), (189, 108677)]