20488941

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4813}}^1$

素因数の和:4873

約数の個数: 24

約数和(自身を含む): 33043296

約数和(自身を除く): 12554355

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4813, 14439, 43317, 52943, 158829, 206959, 476487, 620877, 1862631, 2276549, 6829647, 20488941]

約数ペア:

[(1, 20488941), (3, 6829647), (9, 2276549), (11, 1862631), (33, 620877), (43, 476487), (99, 206959), (129, 158829), (387, 52943), (473, 43317), (1419, 14439), (4257, 4813)]