20628842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{4751}}^1$

素因数の和:4933

約数の個数: 16

約数和(自身を含む): 33530112

約数和(自身を除く): 12901270

約数列:

[1, 2, 13, 26, 167, 334, 2171, 4342, 4751, 9502, 61763, 123526, 793417, 1586834, 10314421, 20628842]

約数ペア:

[(1, 20628842), (2, 10314421), (13, 1586834), (26, 793417), (167, 123526), (334, 61763), (2171, 9502), (4342, 4751)]