20098155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17401}}^1$

素因数の和:17427

約数の個数: 32

約数和(自身を含む): 40094208

約数和(自身を除く): 19996053

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17401, 52203, 87005, 121807, 191411, 261015, 365421, 574233, 609035, 957055, 1339877, 1827105, 2871165, 4019631, 6699385, 20098155]

約数ペア:

[(1, 20098155), (3, 6699385), (5, 4019631), (7, 2871165), (11, 1827105), (15, 1339877), (21, 957055), (33, 609035), (35, 574233), (55, 365421), (77, 261015), (105, 191411), (165, 121807), (231, 87005), (385, 52203), (1155, 17401)]