20161447690

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18496741}}^1$

素因数の和:18496857

約数の個数: 16

約数和(自身を含む): 36623549160

約数和(自身を除く): 16462101470

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18496741, 36993482, 92483705, 184967410, 2016144769, 4032289538, 10080723845, 20161447690]

約数ペア:

[(1, 20161447690), (2, 10080723845), (5, 4032289538), (10, 2016144769), (109, 184967410), (218, 92483705), (545, 36993482), (1090, 18496741)]