20914478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42337}}^1$

素因数の和:42371

約数の個数: 16

約数和(自身を含む): 35563920

約数和(自身を除く): 14649442

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42337, 84674, 550381, 804403, 1100762, 1608806, 10457239, 20914478]

約数ペア:

[(1, 20914478), (2, 10457239), (13, 1608806), (19, 1100762), (26, 804403), (38, 550381), (247, 84674), (494, 42337)]