20713132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2111}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 39739392

約数和(自身を除く): 19026260

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 2111, 2453, 4222, 4906, 8444, 9812, 23221, 46442, 92884, 470753, 941506, 1883012, 5178283, 10356566, 20713132]

約数ペア:

[(1, 20713132), (2, 10356566), (4, 5178283), (11, 1883012), (22, 941506), (44, 470753), (223, 92884), (446, 46442), (892, 23221), (2111, 9812), (2453, 8444), (4222, 4906)]