20403917457

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{8029877}}^1$

素因数の和:8029909

約数の個数: 24

約数和(自身を含む): 34175160768

約数和(自身を除く): 13771243311

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 8029877, 24089631, 56209139, 88328647, 168627417, 264985941, 618300529, 971615117, 1854901587, 2914845351, 6801305819, 20403917457]

約数ペア:

[(1, 20403917457), (3, 6801305819), (7, 2914845351), (11, 1854901587), (21, 971615117), (33, 618300529), (77, 264985941), (121, 168627417), (231, 88328647), (363, 56209139), (847, 24089631), (2541, 8029877)]