20813199

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15383}}^1$

素因数の和:15438

約数の個数: 16

約数和(自身を含む): 31014144

約数和(自身を除く): 10200945

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15383, 46149, 169213, 507639, 630703, 1892109, 6937733, 20813199]

約数ペア:

[(1, 20813199), (3, 6937733), (11, 1892109), (33, 630703), (41, 507639), (123, 169213), (451, 46149), (1353, 15383)]