20126290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69401}}^1$

素因数の和:69437

約数の個数: 16

約数和(自身を含む): 37477080

約数和(自身を除く): 17350790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 69401, 138802, 347005, 694010, 2012629, 4025258, 10063145, 20126290]

約数ペア:

[(1, 20126290), (2, 10063145), (5, 4025258), (10, 2012629), (29, 694010), (58, 347005), (145, 138802), (290, 69401)]