20790877105

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1889221}}^1$

素因数の和:1889328

約数の個数: 16

約数和(自身を含む): 26116604928

約数和(自身を除く): 5325727823

約数列:

[1, 5, 31, 71, 155, 355, 2201, 11005, 1889221, 9446105, 58565851, 134134691, 292829255, 670673455, 4158175421, 20790877105]

約数ペア:

[(1, 20790877105), (5, 4158175421), (31, 670673455), (71, 292829255), (155, 134134691), (355, 58565851), (2201, 9446105), (11005, 1889221)]