20557654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{1039}}^1$

素因数の和:1815

約数の個数: 16

約数和(自身を含む): 33284160

約数和(自身を除く): 12726506

約数列:

[1, 2, 13, 26, 761, 1039, 1522, 2078, 9893, 13507, 19786, 27014, 790679, 1581358, 10278827, 20557654]

約数ペア:

[(1, 20557654), (2, 10278827), (13, 1581358), (26, 790679), (761, 27014), (1039, 19786), (1522, 13507), (2078, 9893)]