20291792

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23929}}^1$

素因数の和:23990

約数の個数: 20

約数和(自身を含む): 40058820

約数和(自身を除く): 19767028

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23929, 47858, 95716, 191432, 382864, 1268237, 2536474, 5072948, 10145896, 20291792]

約数ペア:

[(1, 20291792), (2, 10145896), (4, 5072948), (8, 2536474), (16, 1268237), (53, 382864), (106, 191432), (212, 95716), (424, 47858), (848, 23929)]