20041497

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7759}}^1$

素因数の和:7813

約数の個数: 24

約数和(自身を含む): 33895680

約数和(自身を除く): 13854183

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 7759, 23277, 54313, 69831, 162939, 318119, 488817, 954357, 2226833, 2863071, 6680499, 20041497]

約数ペア:

[(1, 20041497), (3, 6680499), (7, 2863071), (9, 2226833), (21, 954357), (41, 488817), (63, 318119), (123, 162939), (287, 69831), (369, 54313), (861, 23277), (2583, 7759)]