20599068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{977}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 55206144

約数和(自身を除く): 34607076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251, 502, 753, 977, 1004, 1506, 1757, 1954, 2931, 3012, 3514, 3908, 5271, 5862, 6839, 7028, 10542, 11724, 13678, 20517, 21084, 27356, 41034, 82068, 245227, 490454, 735681, 980908, 1471362, 1716589, 2942724, 3433178, 5149767, 6866356, 10299534, 20599068]

約数ペア:

[(1, 20599068), (2, 10299534), (3, 6866356), (4, 5149767), (6, 3433178), (7, 2942724), (12, 1716589), (14, 1471362), (21, 980908), (28, 735681), (42, 490454), (84, 245227), (251, 82068), (502, 41034), (753, 27356), (977, 21084), (1004, 20517), (1506, 13678), (1757, 11724), (1954, 10542), (2931, 7028), (3012, 6839), (3514, 5862), (3908, 5271)]