20782993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15877}}^1$

素因数の和:15912

約数の個数: 16

約数和(自身を含む): 27437184

約数和(自身を除く): 6654191

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15877, 111139, 174647, 269909, 1222529, 1889363, 2968999, 20782993]

約数ペア:

[(1, 20782993), (7, 2968999), (11, 1889363), (17, 1222529), (77, 269909), (119, 174647), (187, 111139), (1309, 15877)]