20651254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21467}}^1$

素因数の和:21519

約数の個数: 16

約数和(自身を含む): 34262928

約数和(自身を除く): 13611674

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21467, 42934, 279071, 558142, 794279, 1588558, 10325627, 20651254]

約数ペア:

[(1, 20651254), (2, 10325627), (13, 1588558), (26, 794279), (37, 558142), (74, 279071), (481, 42934), (962, 21467)]