20183405

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 27045816

約数和(自身を除く): 6862411

約数列:

[1, 5, 11, 55, 73, 121, 365, 457, 605, 803, 2285, 4015, 5027, 8833, 25135, 33361, 44165, 55297, 166805, 276485, 366971, 1834855, 4036681, 20183405]

約数ペア:

[(1, 20183405), (5, 4036681), (11, 1834855), (55, 366971), (73, 276485), (121, 166805), (365, 55297), (457, 44165), (605, 33361), (803, 25135), (2285, 8833), (4015, 5027)]