20985342

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8191}}^1$

素因数の和:8264

約数の個数: 32

約数和(自身を含む): 48758784

約数和(自身を除く): 27773442

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 8191, 16382, 24573, 49146, 57337, 114674, 172011, 344022, 499651, 999302, 1498953, 2997906, 3497557, 6995114, 10492671, 20985342]

約数ペア:

[(1, 20985342), (2, 10492671), (3, 6995114), (6, 3497557), (7, 2997906), (14, 1498953), (21, 999302), (42, 499651), (61, 344022), (122, 172011), (183, 114674), (366, 57337), (427, 49146), (854, 24573), (1281, 16382), (2562, 8191)]