20956023

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1907}}^1$

素因数の和:1964

約数の個数: 32

約数和(自身を含む): 34801920

約数和(自身を除く): 13845897

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 1907, 3663, 5721, 10989, 17163, 20977, 51489, 62931, 70559, 188793, 211677, 566379, 635031, 776149, 1905093, 2328447, 6985341, 20956023]

約数ペア:

[(1, 20956023), (3, 6985341), (9, 2328447), (11, 1905093), (27, 776149), (33, 635031), (37, 566379), (99, 211677), (111, 188793), (297, 70559), (333, 62931), (407, 51489), (999, 20977), (1221, 17163), (1907, 10989), (3663, 5721)]