20609798

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 35132832

約数和(自身を除く): 14523034

約数列:

[1, 2, 11, 22, 41, 73, 82, 146, 313, 451, 626, 803, 902, 1606, 2993, 3443, 5986, 6886, 12833, 22849, 25666, 32923, 45698, 65846, 141163, 251339, 282326, 502678, 936809, 1873618, 10304899, 20609798]

約数ペア:

[(1, 20609798), (2, 10304899), (11, 1873618), (22, 936809), (41, 502678), (73, 282326), (82, 251339), (146, 141163), (313, 65846), (451, 45698), (626, 32923), (803, 25666), (902, 22849), (1606, 12833), (2993, 6886), (3443, 5986)]