20168838

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{5413}}^1$

素因数の和:5450

約数の個数: 40

約数和(自身を含む): 47166768

約数和(自身を除く): 26997930

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 5413, 10826, 16239, 32478, 48717, 97434, 124499, 146151, 248998, 292302, 373497, 438453, 746994, 876906, 1120491, 2240982, 3361473, 6722946, 10084419, 20168838]

約数ペア:

[(1, 20168838), (2, 10084419), (3, 6722946), (6, 3361473), (9, 2240982), (18, 1120491), (23, 876906), (27, 746994), (46, 438453), (54, 373497), (69, 292302), (81, 248998), (138, 146151), (162, 124499), (207, 97434), (414, 48717), (621, 32478), (1242, 16239), (1863, 10826), (3726, 5413)]