20472894

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87491}}^1$

素因数の和:87512

約数の個数: 24

約数和(自身を含む): 47770632

約数和(自身を除く): 27297738

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87491, 174982, 262473, 524946, 787419, 1137383, 1574838, 2274766, 3412149, 6824298, 10236447, 20472894]

約数ペア:

[(1, 20472894), (2, 10236447), (3, 6824298), (6, 3412149), (9, 2274766), (13, 1574838), (18, 1137383), (26, 787419), (39, 524946), (78, 262473), (117, 174982), (234, 87491)]