20566143

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19531}}^1$

素因数の和:19556

約数の個数: 20

約数和(自身を含む): 33087208

約数和(自身を除く): 12521065

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19531, 58593, 175779, 253903, 527337, 761709, 1582011, 2285127, 6855381, 20566143]

約数ペア:

[(1, 20566143), (3, 6855381), (9, 2285127), (13, 1582011), (27, 761709), (39, 527337), (81, 253903), (117, 175779), (351, 58593), (1053, 19531)]