20998452

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12589}}^1$

素因数の和:12735

約数の個数: 24

約数和(自身を含む): 49352800

約数和(自身を除く): 28354348

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12589, 25178, 37767, 50356, 75534, 151068, 1749871, 3499742, 5249613, 6999484, 10499226, 20998452]

約数ペア:

[(1, 20998452), (2, 10499226), (3, 6999484), (4, 5249613), (6, 3499742), (12, 1749871), (139, 151068), (278, 75534), (417, 50356), (556, 37767), (834, 25178), (1668, 12589)]