20654686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{5261}}^1$

素因数の和:5427

約数の個数: 16

約数和(自身を含む): 33592608

約数和(自身を除く): 12937922

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 5261, 10522, 68393, 136786, 794411, 1588822, 10327343, 20654686]

約数ペア:

[(1, 20654686), (2, 10327343), (13, 1588822), (26, 794411), (151, 136786), (302, 68393), (1963, 10522), (3926, 5261)]