20325081

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{197}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 12748839

約数列:

[1, 3, 7, 17, 21, 51, 119, 197, 289, 357, 591, 867, 1379, 2023, 3349, 4137, 4913, 6069, 10047, 14739, 23443, 34391, 56933, 70329, 103173, 170799, 398531, 967861, 1195593, 2903583, 6775027, 20325081]

約数ペア:

[(1, 20325081), (3, 6775027), (7, 2903583), (17, 1195593), (21, 967861), (51, 398531), (119, 170799), (197, 103173), (289, 70329), (357, 56933), (591, 34391), (867, 23443), (1379, 14739), (2023, 10047), (3349, 6069), (4137, 4913)]