20216534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3947}}^1$

素因数の和:4159

約数の個数: 16

約数和(自身を含む): 32831568

約数和(自身を除く): 12615034

約数列:

[1, 2, 13, 26, 197, 394, 2561, 3947, 5122, 7894, 51311, 102622, 777559, 1555118, 10108267, 20216534]

約数ペア:

[(1, 20216534), (2, 10108267), (13, 1555118), (26, 777559), (197, 102622), (394, 51311), (2561, 7894), (3947, 5122)]