20189751

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 27396096

約数和(自身を除く): 7206345

約数列:

[1, 3, 103, 223, 293, 309, 669, 879, 22969, 30179, 65339, 68907, 90537, 196017, 6729917, 20189751]

約数ペア:

[(1, 20189751), (3, 6729917), (103, 196017), (223, 90537), (293, 68907), (309, 65339), (669, 30179), (879, 22969)]