20664564484

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{3203}}^1\times {\mathrm{22717}}^1$

素因数の和:25995

約数の個数: 24

約数和(自身を含む): 36685389888

約数和(自身を除く): 16020825404

約数列:

[1, 2, 4, 71, 142, 284, 3203, 6406, 12812, 22717, 45434, 90868, 227413, 454826, 909652, 1612907, 3225814, 6451628, 72762551, 145525102, 291050204, 5166141121, 10332282242, 20664564484]

約数ペア:

[(1, 20664564484), (2, 10332282242), (4, 5166141121), (71, 291050204), (142, 145525102), (284, 72762551), (3203, 6451628), (6406, 3225814), (12812, 1612907), (22717, 909652), (45434, 454826), (90868, 227413)]