20888049

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4027}}^1$

素因数の和:4069

約数の個数: 32

約数和(自身を含む): 36090880

約数和(自身を除く): 15202831

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 4027, 5187, 12081, 28189, 52351, 76513, 84567, 157053, 229539, 366457, 535591, 994669, 1099371, 1606773, 2984007, 6962683, 20888049]

約数ペア:

[(1, 20888049), (3, 6962683), (7, 2984007), (13, 1606773), (19, 1099371), (21, 994669), (39, 535591), (57, 366457), (91, 229539), (133, 157053), (247, 84567), (273, 76513), (399, 52351), (741, 28189), (1729, 12081), (4027, 5187)]