20946639

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{9151}}^1$

素因数の和:9270

約数の個数: 16

約数和(自身を含む): 32215040

約数和(自身を除く): 11268401

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 9151, 27453, 64057, 192171, 997459, 2992377, 6982213, 20946639]

約数ペア:

[(1, 20946639), (3, 6982213), (7, 2992377), (21, 997459), (109, 192171), (327, 64057), (763, 27453), (2289, 9151)]