20456007

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1163}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 32852736

約数和(自身を除く): 12396729

約数列:

[1, 3, 11, 13, 33, 39, 41, 123, 143, 429, 451, 533, 1163, 1353, 1599, 3489, 5863, 12793, 15119, 17589, 38379, 45357, 47683, 143049, 166309, 498927, 524513, 619879, 1573539, 1859637, 6818669, 20456007]

約数ペア:

[(1, 20456007), (3, 6818669), (11, 1859637), (13, 1573539), (33, 619879), (39, 524513), (41, 498927), (123, 166309), (143, 143049), (429, 47683), (451, 45357), (533, 38379), (1163, 17589), (1353, 15119), (1599, 12793), (3489, 5863)]