20124078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 46986240

約数和(自身を除く): 26862162

約数列:

[1, 2, 3, 6, 13, 19, 26, 37, 38, 39, 57, 74, 78, 111, 114, 222, 247, 367, 481, 494, 703, 734, 741, 962, 1101, 1406, 1443, 1482, 2109, 2202, 2886, 4218, 4771, 6973, 9139, 9542, 13579, 13946, 14313, 18278, 20919, 27158, 27417, 28626, 40737, 41838, 54834, 81474, 90649, 176527, 181298, 258001, 271947, 353054, 516002, 529581, 543894, 774003, 1059162, 1548006, 3354013, 6708026, 10062039, 20124078]

約数ペア:

[(1, 20124078), (2, 10062039), (3, 6708026), (6, 3354013), (13, 1548006), (19, 1059162), (26, 774003), (37, 543894), (38, 529581), (39, 516002), (57, 353054), (74, 271947), (78, 258001), (111, 181298), (114, 176527), (222, 90649), (247, 81474), (367, 54834), (481, 41838), (494, 40737), (703, 28626), (734, 27417), (741, 27158), (962, 20919), (1101, 18278), (1406, 14313), (1443, 13946), (1482, 13579), (2109, 9542), (2202, 9139), (2886, 6973), (4218, 4771)]