20961027

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{929}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 31917600

約数和(自身を除く): 10956573

約数列:

[1, 3, 9, 23, 69, 109, 207, 327, 929, 981, 2507, 2787, 7521, 8361, 21367, 22563, 64101, 101261, 192303, 303783, 911349, 2329003, 6987009, 20961027]

約数ペア:

[(1, 20961027), (3, 6987009), (9, 2329003), (23, 911349), (69, 303783), (109, 192303), (207, 101261), (327, 64101), (929, 22563), (981, 21367), (2507, 8361), (2787, 7521)]