20105288691

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1790479}}^1$

素因数の和:1790698

約数の個数: 16

約数和(自身を含む): 28361203200

約数和(自身を除く): 8255914509

約数列:

[1, 3, 19, 57, 197, 591, 3743, 11229, 1790479, 5371437, 34019101, 102057303, 352724363, 1058173089, 6701762897, 20105288691]

約数ペア:

[(1, 20105288691), (3, 6701762897), (19, 1058173089), (57, 352724363), (197, 102057303), (591, 34019101), (3743, 5371437), (11229, 1790479)]