20211269

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1741}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 23412480

約数和(自身を除く): 3201211

約数列:

[1, 13, 19, 47, 247, 611, 893, 1741, 11609, 22633, 33079, 81827, 430027, 1063751, 1554713, 20211269]

約数ペア:

[(1, 20211269), (13, 1554713), (19, 1063751), (47, 430027), (247, 81827), (611, 33079), (893, 22633), (1741, 11609)]