20424663

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2039}}^1$

素因数の和:2108

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 14826537

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 2039, 3339, 6117, 10017, 14273, 18351, 42819, 55053, 108067, 128457, 324201, 385371, 756469, 972603, 2269407, 2917809, 6808221, 20424663]

約数ペア:

[(1, 20424663), (3, 6808221), (7, 2917809), (9, 2269407), (21, 972603), (27, 756469), (53, 385371), (63, 324201), (159, 128457), (189, 108067), (371, 55053), (477, 42819), (1113, 18351), (1431, 14273), (2039, 10017), (3339, 6117)]