20195538

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1949}}^1$

素因数の和:2122

約数の個数: 32

約数和(自身を含む): 44366400

約数和(自身を除く): 24170862

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 157, 314, 471, 942, 1727, 1949, 3454, 3898, 5181, 5847, 10362, 11694, 21439, 42878, 64317, 128634, 305993, 611986, 917979, 1835958, 3365923, 6731846, 10097769, 20195538]

約数ペア:

[(1, 20195538), (2, 10097769), (3, 6731846), (6, 3365923), (11, 1835958), (22, 917979), (33, 611986), (66, 305993), (157, 128634), (314, 64317), (471, 42878), (942, 21439), (1727, 11694), (1949, 10362), (3454, 5847), (3898, 5181)]