20109765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{367}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 34868736

約数和(自身を除く): 14758971

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 281, 367, 843, 1101, 1405, 1835, 3653, 4215, 4771, 5505, 10959, 14313, 18265, 23855, 54795, 71565, 103127, 309381, 515635, 1340651, 1546905, 4021953, 6703255, 20109765]

約数ペア:

[(1, 20109765), (3, 6703255), (5, 4021953), (13, 1546905), (15, 1340651), (39, 515635), (65, 309381), (195, 103127), (281, 71565), (367, 54795), (843, 23855), (1101, 18265), (1405, 14313), (1835, 10959), (3653, 5505), (4215, 4771)]