20067986

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1951}}^1$

素因数の和:2129

約数の個数: 16

約数和(自身を含む): 31153920

約数和(自身を除く): 11085934

約数列:

[1, 2, 37, 74, 139, 278, 1951, 3902, 5143, 10286, 72187, 144374, 271189, 542378, 10033993, 20067986]

約数ペア:

[(1, 20067986), (2, 10033993), (37, 542378), (74, 271189), (139, 144374), (278, 72187), (1951, 10286), (3902, 5143)]