20615049

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25171}}^1$

素因数の和:25197

約数の個数: 24

約数和(自身を含む): 36650432

約数和(自身を除く): 16035383

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 25171, 75513, 176197, 226539, 327223, 528591, 981669, 1585773, 2290561, 2945007, 6871683, 20615049]

約数ペア:

[(1, 20615049), (3, 6871683), (7, 2945007), (9, 2290561), (13, 1585773), (21, 981669), (39, 528591), (63, 327223), (91, 226539), (117, 176197), (273, 75513), (819, 25171)]