20284712

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15749}}^1$

素因数の和:15785

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 25075288

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 15749, 31498, 62996, 110243, 125992, 220486, 362227, 440972, 724454, 881944, 1448908, 2535589, 2897816, 5071178, 10142356, 20284712]

約数ペア:

[(1, 20284712), (2, 10142356), (4, 5071178), (7, 2897816), (8, 2535589), (14, 1448908), (23, 881944), (28, 724454), (46, 440972), (56, 362227), (92, 220486), (161, 125992), (184, 110243), (322, 62996), (644, 31498), (1288, 15749)]