20207868

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{337}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 49969920

約数和(自身を除く): 29762052

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 263, 337, 526, 674, 789, 1011, 1052, 1348, 1578, 2022, 3156, 4044, 4997, 6403, 9994, 12806, 14991, 19209, 19988, 25612, 29982, 38418, 59964, 76836, 88631, 177262, 265893, 354524, 531786, 1063572, 1683989, 3367978, 5051967, 6735956, 10103934, 20207868]

約数ペア:

[(1, 20207868), (2, 10103934), (3, 6735956), (4, 5051967), (6, 3367978), (12, 1683989), (19, 1063572), (38, 531786), (57, 354524), (76, 265893), (114, 177262), (228, 88631), (263, 76836), (337, 59964), (526, 38418), (674, 29982), (789, 25612), (1011, 19988), (1052, 19209), (1348, 14991), (1578, 12806), (2022, 9994), (3156, 6403), (4044, 4997)]