20925861

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{3391}}^1$

素因数の和:3433

約数の個数: 24

約数和(自身を含む): 32481792

約数和(自身を除く): 11555931

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 363, 561, 2057, 3391, 6171, 10173, 37301, 57647, 111903, 172941, 410311, 634117, 1230933, 1902351, 6975287, 20925861]

約数ペア:

[(1, 20925861), (3, 6975287), (11, 1902351), (17, 1230933), (33, 634117), (51, 410311), (121, 172941), (187, 111903), (363, 57647), (561, 37301), (2057, 10173), (3391, 6171)]