20525061

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1487}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 28283904

約数和(自身を除く): 7758843

約数列:

[1, 3, 43, 107, 129, 321, 1487, 4461, 4601, 13803, 63941, 159109, 191823, 477327, 6841687, 20525061]

約数ペア:

[(1, 20525061), (3, 6841687), (43, 477327), (107, 191823), (129, 159109), (321, 63941), (1487, 13803), (4461, 4601)]