20880834

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5051}}^1$

素因数の和:5122

約数の個数: 32

約数和(自身を含む): 45831744

約数和(自身を除く): 24950910

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 5051, 10102, 15153, 30306, 65663, 131326, 196989, 267703, 393978, 535406, 803109, 1606218, 3480139, 6960278, 10440417, 20880834]

約数ペア:

[(1, 20880834), (2, 10440417), (3, 6960278), (6, 3480139), (13, 1606218), (26, 803109), (39, 535406), (53, 393978), (78, 267703), (106, 196989), (159, 131326), (318, 65663), (689, 30306), (1378, 15153), (2067, 10102), (4134, 5051)]