20457435

素因数分解:

$3^1\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1283}}^1$

素因数の和:2354

約数の個数: 16

約数和(自身を含む): 32788224

約数和(自身を除く): 12330789

約数列:

[1, 3, 5, 15, 1063, 1283, 3189, 3849, 5315, 6415, 15945, 19245, 1363829, 4091487, 6819145, 20457435]

約数ペア:

[(1, 20457435), (3, 6819145), (5, 4091487), (15, 1363829), (1063, 19245), (1283, 15945), (3189, 6415), (3849, 5315)]