20784489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37049}}^1$

素因数の和:37080

約数の個数: 16

約数和(自身を含む): 32011200

約数和(自身を除く): 11226711

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 37049, 111147, 407539, 629833, 1222617, 1889499, 6928163, 20784489]

約数ペア:

[(1, 20784489), (3, 6928163), (11, 1889499), (17, 1222617), (33, 629833), (51, 407539), (187, 111147), (561, 37049)]