20187954085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{737729}}^1$

素因数の和:738168

約数の個数: 16

約数和(自身を含む): 26151053040

約数和(自身を除く): 5963098955

約数列:

[1, 5, 13, 65, 421, 2105, 5473, 27365, 737729, 3688645, 9590477, 47952385, 310583909, 1552919545, 4037590817, 20187954085]

約数ペア:

[(1, 20187954085), (5, 4037590817), (13, 1552919545), (65, 310583909), (421, 47952385), (2105, 9590477), (5473, 3688645), (27365, 737729)]