20289350

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{4889}}^1$

素因数の和:4984

約数の個数: 24

約数和(自身を含む): 38200680

約数和(自身を除く): 17911330

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 4889, 9778, 24445, 48890, 122225, 244450, 405787, 811574, 2028935, 4057870, 10144675, 20289350]

約数ペア:

[(1, 20289350), (2, 10144675), (5, 4057870), (10, 2028935), (25, 811574), (50, 405787), (83, 244450), (166, 122225), (415, 48890), (830, 24445), (2075, 9778), (4150, 4889)]