20961412

素因数分解:

$2^2\times {\mathrm{1103}}^1\times {\mathrm{4751}}^1$

素因数の和:5858

約数の個数: 12

約数和(自身を含む): 36723456

約数和(自身を除く): 15762044

約数列:

[1, 2, 4, 1103, 2206, 4412, 4751, 9502, 19004, 5240353, 10480706, 20961412]

約数ペア:

[(1, 20961412), (2, 10480706), (4, 5240353), (1103, 19004), (2206, 9502), (4412, 4751)]