20722442

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1657}}^1$

素因数の和:1722

約数の個数: 24

約数和(自身を含む): 34589196

約数和(自身を除く): 13866754

約数列:

[1, 2, 13, 26, 37, 74, 169, 338, 481, 962, 1657, 3314, 6253, 12506, 21541, 43082, 61309, 122618, 280033, 560066, 797017, 1594034, 10361221, 20722442]

約数ペア:

[(1, 20722442), (2, 10361221), (13, 1594034), (26, 797017), (37, 560066), (74, 280033), (169, 122618), (338, 61309), (481, 43082), (962, 21541), (1657, 12506), (3314, 6253)]