20549276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4133}}^1$

素因数の和:4261

約数の個数: 24

約数和(自身を含む): 39587184

約数和(自身を除く): 19037908

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4133, 4972, 8266, 16532, 45463, 90926, 181852, 467029, 934058, 1868116, 5137319, 10274638, 20549276]

約数ペア:

[(1, 20549276), (2, 10274638), (4, 5137319), (11, 1868116), (22, 934058), (44, 467029), (113, 181852), (226, 90926), (452, 45463), (1243, 16532), (2486, 8266), (4133, 4972)]