20940261

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9929}}^1$

素因数の和:9988

約数の個数: 16

約数和(自身を含む): 30187200

約数和(自身を除く): 9246939

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 9929, 29787, 188651, 367373, 565953, 1102119, 6980087, 20940261]

約数ペア:

[(1, 20940261), (3, 6980087), (19, 1102119), (37, 565953), (57, 367373), (111, 188651), (703, 29787), (2109, 9929)]