20271153

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3727}}^1$

素因数の和:3781

約数の個数: 24

約数和(自身を含む): 32299392

約数和(自身を除く): 12028239

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 3727, 5439, 11181, 26089, 78267, 137899, 182623, 413697, 547869, 965293, 2895879, 6757051, 20271153]

約数ペア:

[(1, 20271153), (3, 6757051), (7, 2895879), (21, 965293), (37, 547869), (49, 413697), (111, 182623), (147, 137899), (259, 78267), (777, 26089), (1813, 11181), (3727, 5439)]