20566371

素因数分解:

$3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{2143}}^1$

素因数の和:2610

約数の個数: 16

約数和(自身を含む): 31422464

約数和(自身を除く): 10856093

約数列:

[1, 3, 7, 21, 457, 1371, 2143, 3199, 6429, 9597, 15001, 45003, 979351, 2938053, 6855457, 20566371]

約数ペア:

[(1, 20566371), (3, 6855457), (7, 2938053), (21, 979351), (457, 45003), (1371, 15001), (2143, 9597), (3199, 6429)]