20905074

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10463}}^1$

素因数の和:10511

約数の個数: 32

約数和(自身を含む): 47715840

約数和(自身を除く): 26810766

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10463, 20926, 31389, 62778, 94167, 188334, 282501, 387131, 565002, 774262, 1161393, 2322786, 3484179, 6968358, 10452537, 20905074]

約数ペア:

[(1, 20905074), (2, 10452537), (3, 6968358), (6, 3484179), (9, 2322786), (18, 1161393), (27, 774262), (37, 565002), (54, 387131), (74, 282501), (111, 188334), (222, 94167), (333, 62778), (666, 31389), (999, 20926), (1998, 10463)]