20431023

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6763}}^1$

素因数の和:6838

約数の個数: 16

約数和(自身を含む): 29220480

約数和(自身を除く): 8789457

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6763, 20289, 128497, 358439, 385491, 1075317, 6810341, 20431023]

約数ペア:

[(1, 20431023), (3, 6810341), (19, 1075317), (53, 385491), (57, 358439), (159, 128497), (1007, 20289), (3021, 6763)]