20161894504

素因数分解:

$2^3\times {\mathrm{1009}}^1\times {\mathrm{2497757}}^1$

素因数の和:2498772

約数の個数: 16

約数和(自身を含む): 37841033700

約数和(自身を除く): 17679139196

約数列:

[1, 2, 4, 8, 1009, 2018, 4036, 8072, 2497757, 4995514, 9991028, 19982056, 2520236813, 5040473626, 10080947252, 20161894504]

約数ペア:

[(1, 20161894504), (2, 10080947252), (4, 5040473626), (8, 2520236813), (1009, 19982056), (2018, 9991028), (4036, 4995514), (8072, 2497757)]