20448198

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{30703}}^1$

素因数の和:30748

約数の個数: 24

約数和(自身を含む): 45503328

約数和(自身を除く): 25055130

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 30703, 61406, 92109, 184218, 276327, 552654, 1136011, 2272022, 3408033, 6816066, 10224099, 20448198]

約数ペア:

[(1, 20448198), (2, 10224099), (3, 6816066), (6, 3408033), (9, 2272022), (18, 1136011), (37, 552654), (74, 276327), (111, 184218), (222, 92109), (333, 61406), (666, 30703)]