20817446

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15107}}^1$

素因数の和:15175

約数の個数: 16

約数和(自身を含む): 34264944

約数和(自身を除く): 13447498

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 15107, 30214, 196391, 392782, 800671, 1601342, 10408723, 20817446]

約数ペア:

[(1, 20817446), (2, 10408723), (13, 1601342), (26, 800671), (53, 392782), (106, 196391), (689, 30214), (1378, 15107)]