20855597

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{673}}^1$

素因数の和:932

約数の個数: 16

約数和(自身を含む): 25234560

約数和(自身を除く): 4378963

約数列:

[1, 7, 19, 133, 233, 673, 1631, 4427, 4711, 12787, 30989, 89509, 156809, 1097663, 2979371, 20855597]

約数ペア:

[(1, 20855597), (7, 2979371), (19, 1097663), (133, 156809), (233, 89509), (673, 30989), (1631, 12787), (4427, 4711)]