20818154

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{14437}}^1$

素因数の和:14549

約数の個数: 16

約数和(自身を含む): 36037248

約数和(自身を除く): 15219094

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 14437, 28874, 101059, 202118, 1487011, 2974022, 10409077, 20818154]

約数ペア:

[(1, 20818154), (2, 10409077), (7, 2974022), (14, 1487011), (103, 202118), (206, 101059), (721, 28874), (1442, 14437)]