20734791

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12823}}^1$

素因数の和:12851

約数の個数: 24

約数和(自身を含む): 35086464

約数和(自身を除く): 14351673

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12823, 38469, 89761, 141053, 269283, 423159, 628327, 987371, 1884981, 2962113, 6911597, 20734791]

約数ペア:

[(1, 20734791), (3, 6911597), (7, 2962113), (11, 1884981), (21, 987371), (33, 628327), (49, 423159), (77, 269283), (147, 141053), (231, 89761), (539, 38469), (1617, 12823)]