12144820

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2161}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 25606728

約数和(自身を除く): 13461908

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2161, 2810, 4322, 5620, 8644, 10805, 21610, 43220, 607241, 1214482, 2428964, 3036205, 6072410, 12144820]

約数ペア:

[(1, 12144820), (2, 6072410), (4, 3036205), (5, 2428964), (10, 1214482), (20, 607241), (281, 43220), (562, 21610), (1124, 10805), (1405, 8644), (2161, 5620), (2810, 4322)]