20038518

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{8009}}^1$

素因数の和:8156

約数の個数: 24

約数和(自身を含む): 43734600

約数和(自身を除く): 23696082

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 8009, 16018, 24027, 48054, 72081, 144162, 1113251, 2226502, 3339753, 6679506, 10019259, 20038518]

約数ペア:

[(1, 20038518), (2, 10019259), (3, 6679506), (6, 3339753), (9, 2226502), (18, 1113251), (139, 144162), (278, 72081), (417, 48054), (834, 24027), (1251, 16018), (2502, 8009)]