20742052

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 37490040

約数和(自身を除く): 16747988

約数列:

[1, 2, 4, 37, 74, 148, 269, 521, 538, 1042, 1076, 2084, 9953, 19277, 19906, 38554, 39812, 77108, 140149, 280298, 560596, 5185513, 10371026, 20742052]

約数ペア:

[(1, 20742052), (2, 10371026), (4, 5185513), (37, 560596), (74, 280298), (148, 140149), (269, 77108), (521, 39812), (538, 38554), (1042, 19906), (1076, 19277), (2084, 9953)]