20691622

素因数分解:

$2^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{1061}}^1$

素因数の和:1276

約数の個数: 24

約数和(自身を含む): 36320400

約数和(自身を除く): 15628778

約数列:

[1, 2, 7, 14, 49, 98, 199, 398, 1061, 1393, 2122, 2786, 7427, 9751, 14854, 19502, 51989, 103978, 211139, 422278, 1477973, 2955946, 10345811, 20691622]

約数ペア:

[(1, 20691622), (2, 10345811), (7, 2955946), (14, 1477973), (49, 422278), (98, 211139), (199, 103978), (398, 51989), (1061, 19502), (1393, 14854), (2122, 9751), (2786, 7427)]