20457795

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10739}}^1$

素因数の和:10874

約数の個数: 16

約数和(自身を含む): 32993280

約数和(自身を除く): 12535485

約数列:

[1, 3, 5, 15, 127, 381, 635, 1905, 10739, 32217, 53695, 161085, 1363853, 4091559, 6819265, 20457795]

約数ペア:

[(1, 20457795), (3, 6819265), (5, 4091559), (15, 1363853), (127, 161085), (381, 53695), (635, 32217), (1905, 10739)]