20504967

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16007}}^1$

素因数の和:16078

約数の個数: 16

約数和(自身を含む): 31759872

約数和(自身を除く): 11254905

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16007, 48021, 112049, 336147, 976427, 2929281, 6834989, 20504967]

約数ペア:

[(1, 20504967), (3, 6834989), (7, 2929281), (21, 976427), (61, 336147), (183, 112049), (427, 48021), (1281, 16007)]