20697707

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 22521600

約数和(自身を除く): 1823893

約数列:

[1, 19, 67, 71, 229, 1273, 1349, 4351, 4757, 15343, 16259, 90383, 291517, 308921, 1089353, 20697707]

約数ペア:

[(1, 20697707), (19, 1089353), (67, 308921), (71, 291517), (229, 90383), (1273, 16259), (1349, 15343), (4351, 4757)]