20373453

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{421}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 31160480

約数和(自身を除く): 10787027

約数列:

[1, 3, 9, 19, 57, 171, 283, 421, 849, 1263, 2547, 3789, 5377, 7999, 16131, 23997, 48393, 71991, 119143, 357429, 1072287, 2263717, 6791151, 20373453]

約数ペア:

[(1, 20373453), (3, 6791151), (9, 2263717), (19, 1072287), (57, 357429), (171, 119143), (283, 71991), (421, 48393), (849, 23997), (1263, 16131), (2547, 7999), (3789, 5377)]