20853371

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{5527}}^1$

素因数の和:5559

約数の個数: 16

約数和(自身を含む): 26534400

約数和(自身を除く): 5681029

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 5527, 38689, 60797, 270823, 425579, 1895761, 2979053, 20853371]

約数ペア:

[(1, 20853371), (7, 2979053), (11, 1895761), (49, 425579), (77, 270823), (343, 60797), (539, 38689), (3773, 5527)]