20735121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1607}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 33343488

約数和(自身を除く): 12608367

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 1607, 4301, 4821, 12903, 17677, 27319, 36961, 53031, 81957, 110883, 300509, 406571, 628337, 901527, 1219713, 1885011, 6911707, 20735121]

約数ペア:

[(1, 20735121), (3, 6911707), (11, 1885011), (17, 1219713), (23, 901527), (33, 628337), (51, 406571), (69, 300509), (187, 110883), (253, 81957), (391, 53031), (561, 36961), (759, 27319), (1173, 17677), (1607, 12903), (4301, 4821)]