20423865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17683}}^1$

素因数の和:17709

約数の個数: 32

約数和(自身を含む): 40743936

約数和(自身を除く): 20320071

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17683, 53049, 88415, 123781, 194513, 265245, 371343, 583539, 618905, 972565, 1361591, 1856715, 2917695, 4084773, 6807955, 20423865]

約数ペア:

[(1, 20423865), (3, 6807955), (5, 4084773), (7, 2917695), (11, 1856715), (15, 1361591), (21, 972565), (33, 618905), (35, 583539), (55, 371343), (77, 265245), (105, 194513), (165, 123781), (231, 88415), (385, 53049), (1155, 17683)]