20797917105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{198075401}}^1$

素因数の和:198075416

約数の個数: 16

約数和(自身を含む): 38030477184

約数和(自身を除く): 17232560079

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 198075401, 594226203, 990377005, 1386527807, 2971131015, 4159583421, 6932639035, 20797917105]

約数ペア:

[(1, 20797917105), (3, 6932639035), (5, 4159583421), (7, 2971131015), (15, 1386527807), (21, 990377005), (35, 594226203), (105, 198075401)]