20798518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5839}}^1$

素因数の和:5991

約数の個数: 16

約数和(自身を含む): 33848640

約数和(自身を除く): 13050122

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5839, 11678, 75907, 151814, 799943, 1599886, 10399259, 20798518]

約数ペア:

[(1, 20798518), (2, 10399259), (13, 1599886), (26, 799943), (137, 151814), (274, 75907), (1781, 11678), (3562, 5839)]