20296503

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{6247}}^1$

素因数の和:6291

約数の個数: 18

約数和(自身を含む): 30946344

約数和(自身を除く): 10649841

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 6247, 18741, 56223, 118693, 356079, 1068237, 2255167, 6765501, 20296503]

約数ペア:

[(1, 20296503), (3, 6765501), (9, 2255167), (19, 1068237), (57, 356079), (171, 118693), (361, 56223), (1083, 18741), (3249, 6247)]