20473812

素因数分解:

$2^2\times 3^2\times {\mathrm{659}}^1\times {\mathrm{863}}^1$

素因数の和:1532

約数の個数: 36

約数和(自身を含む): 51891840

約数和(自身を除く): 31418028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 659, 863, 1318, 1726, 1977, 2589, 2636, 3452, 3954, 5178, 5931, 7767, 7908, 10356, 11862, 15534, 23724, 31068, 568717, 1137434, 1706151, 2274868, 3412302, 5118453, 6824604, 10236906, 20473812]

約数ペア:

[(1, 20473812), (2, 10236906), (3, 6824604), (4, 5118453), (6, 3412302), (9, 2274868), (12, 1706151), (18, 1137434), (36, 568717), (659, 31068), (863, 23724), (1318, 15534), (1726, 11862), (1977, 10356), (2589, 7908), (2636, 7767), (3452, 5931), (3954, 5178)]