20165036451

素因数分解:

$3^1\times 7^1\times {\mathrm{20479}}^1\times {\mathrm{46889}}^1$

素因数の和:67378

約数の個数: 16

約数和(自身を含む): 30729830400

約数和(自身を除く): 10564793949

約数列:

[1, 3, 7, 21, 20479, 46889, 61437, 140667, 143353, 328223, 430059, 984669, 960239831, 2880719493, 6721678817, 20165036451]

約数ペア:

[(1, 20165036451), (3, 6721678817), (7, 2880719493), (21, 960239831), (20479, 984669), (46889, 430059), (61437, 328223), (140667, 143353)]