20409298

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112139}}^1$

素因数の和:112161

約数の個数: 16

約数和(自身を含む): 37679040

約数和(自身を除く): 17269742

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 112139, 224278, 784973, 1457807, 1569946, 2915614, 10204649, 20409298]

約数ペア:

[(1, 20409298), (2, 10204649), (7, 2915614), (13, 1569946), (14, 1457807), (26, 784973), (91, 224278), (182, 112139)]