20543042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{16811}}^1$

素因数の和:16873

約数の個数: 16

約数和(自身を含む): 33892992

約数和(自身を除く): 13349950

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 16811, 33622, 218543, 437086, 790117, 1580234, 10271521, 20543042]

約数ペア:

[(1, 20543042), (2, 10271521), (13, 1580234), (26, 790117), (47, 437086), (94, 218543), (611, 33622), (1222, 16811)]