20576563

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1181}}^1$

素因数の和:1338

約数の個数: 16

約数和(自身を含む): 24963840

約数和(自身を除く): 4387277

約数列:

[1, 7, 19, 131, 133, 917, 1181, 2489, 8267, 17423, 22439, 154711, 157073, 1082977, 2939509, 20576563]

約数ペア:

[(1, 20576563), (7, 2939509), (19, 1082977), (131, 157073), (133, 154711), (917, 22439), (1181, 17423), (2489, 8267)]