20527221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{811}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 32739840

約数和(自身を除く): 12212619

約数列:

[1, 3, 11, 13, 33, 39, 59, 143, 177, 429, 649, 767, 811, 1947, 2301, 2433, 8437, 8921, 10543, 25311, 26763, 31629, 47849, 115973, 143547, 347919, 526339, 622037, 1579017, 1866111, 6842407, 20527221]

約数ペア:

[(1, 20527221), (3, 6842407), (11, 1866111), (13, 1579017), (33, 622037), (39, 526339), (59, 347919), (143, 143547), (177, 115973), (429, 47849), (649, 31629), (767, 26763), (811, 25311), (1947, 10543), (2301, 8921), (2433, 8437)]