20403281

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 22489488

約数和(自身を除く): 2086207

約数列:

[1, 17, 41, 73, 401, 697, 1241, 2993, 6817, 16441, 29273, 50881, 279497, 497641, 1200193, 20403281]

約数ペア:

[(1, 20403281), (17, 1200193), (41, 497641), (73, 279497), (401, 50881), (697, 29273), (1241, 16441), (2993, 6817)]