20697105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9649}}^1$

素因数の和:9681

約数の個数: 32

約数和(自身を含む): 38908800

約数和(自身を除く): 18211695

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 9649, 28947, 48245, 106139, 125437, 144735, 318417, 376311, 530695, 627185, 1379807, 1592085, 1881555, 4139421, 6899035, 20697105]

約数ペア:

[(1, 20697105), (3, 6899035), (5, 4139421), (11, 1881555), (13, 1592085), (15, 1379807), (33, 627185), (39, 530695), (55, 376311), (65, 318417), (143, 144735), (165, 125437), (195, 106139), (429, 48245), (715, 28947), (2145, 9649)]