20995695

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66653}}^1$

素因数の和:66671

約数の個数: 24

約数和(自身を含む): 41592096

約数和(自身を除く): 20596401

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66653, 199959, 333265, 466571, 599877, 999795, 1399713, 2332855, 2999385, 4199139, 6998565, 20995695]

約数ペア:

[(1, 20995695), (3, 6998565), (5, 4199139), (7, 2999385), (9, 2332855), (15, 1399713), (21, 999795), (35, 599877), (45, 466571), (63, 333265), (105, 199959), (315, 66653)]