20249307

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9109}}^1$

素因数の和:9147

約数の個数: 24

約数和(自身を含む): 33160400

約数和(自身を除く): 12911093

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9109, 27327, 81981, 118417, 173071, 355251, 519213, 1065753, 1557639, 2249923, 6749769, 20249307]

約数ペア:

[(1, 20249307), (3, 6749769), (9, 2249923), (13, 1557639), (19, 1065753), (39, 519213), (57, 355251), (117, 173071), (171, 118417), (247, 81981), (741, 27327), (2223, 9109)]