20199468121

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{5333}}^1\times {\mathrm{7621}}^1$

素因数の和:13032

約数の個数: 16

約数和(自身を含む): 23417710848

約数和(自身を除く): 3218242727

約数列:

[1, 7, 71, 497, 5333, 7621, 37331, 53347, 378643, 541091, 2650501, 3787637, 40642793, 284499551, 2885638303, 20199468121]

約数ペア:

[(1, 20199468121), (7, 2885638303), (71, 284499551), (497, 40642793), (5333, 3787637), (7621, 2650501), (37331, 541091), (53347, 378643)]