20201685

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{457}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 37108992

約数和(自身を除く): 16907307

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 421, 457, 1263, 1371, 2105, 2285, 2947, 3199, 6315, 6855, 8841, 9597, 14735, 15995, 44205, 47985, 192397, 577191, 961985, 1346779, 2885955, 4040337, 6733895, 20201685]

約数ペア:

[(1, 20201685), (3, 6733895), (5, 4040337), (7, 2885955), (15, 1346779), (21, 961985), (35, 577191), (105, 192397), (421, 47985), (457, 44205), (1263, 15995), (1371, 14735), (2105, 9597), (2285, 8841), (2947, 6855), (3199, 6315)]