20863728

素因数分解:

$2^4\times 3^2\times {\mathrm{144887}}^1$

素因数の和:144901

約数の個数: 30

約数和(自身を含む): 58389864

約数和(自身を除く): 37526136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 144887, 289774, 434661, 579548, 869322, 1159096, 1303983, 1738644, 2318192, 2607966, 3477288, 5215932, 6954576, 10431864, 20863728]

約数ペア:

[(1, 20863728), (2, 10431864), (3, 6954576), (4, 5215932), (6, 3477288), (8, 2607966), (9, 2318192), (12, 1738644), (16, 1303983), (18, 1159096), (24, 869322), (36, 579548), (48, 434661), (72, 289774), (144, 144887)]