20997434

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{1753}}^1$

素因数の和:1921

約数の個数: 16

約数和(自身を含む): 32392872

約数和(自身を除く): 11395438

約数列:

[1, 2, 53, 106, 113, 226, 1753, 3506, 5989, 11978, 92909, 185818, 198089, 396178, 10498717, 20997434]

約数ペア:

[(1, 20997434), (2, 10498717), (53, 396178), (106, 198089), (113, 185818), (226, 92909), (1753, 11978), (3506, 5989)]