20328873

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1\times {\mathrm{491}}^1$

素因数の和:904

約数の個数: 16

約数和(自身を含む): 27969216

約数和(自身を除く): 7640343

約数列:

[1, 3, 37, 111, 373, 491, 1119, 1473, 13801, 18167, 41403, 54501, 183143, 549429, 6776291, 20328873]

約数ペア:

[(1, 20328873), (3, 6776291), (37, 549429), (111, 183143), (373, 54501), (491, 41403), (1119, 18167), (1473, 13801)]