20267319

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8269}}^1$

素因数の和:8334

約数の個数: 16

約数和(自身を含む): 29110400

約数和(自身を除く): 8843081

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 8269, 24807, 157111, 355567, 471333, 1066701, 6755773, 20267319]

約数ペア:

[(1, 20267319), (3, 6755773), (19, 1066701), (43, 471333), (57, 355567), (129, 157111), (817, 24807), (2451, 8269)]