20690241

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2837}}^1$

素因数の和:2881

約数の個数: 32

約数和(自身を含む): 34328448

約数和(自身を除く): 13638207

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 2837, 7293, 8511, 31207, 36881, 48229, 93621, 110643, 144687, 405691, 530519, 626977, 1217073, 1591557, 1880931, 6896747, 20690241]

約数ペア:

[(1, 20690241), (3, 6896747), (11, 1880931), (13, 1591557), (17, 1217073), (33, 626977), (39, 530519), (51, 405691), (143, 144687), (187, 110643), (221, 93621), (429, 48229), (561, 36881), (663, 31207), (2431, 8511), (2837, 7293)]