20796097539

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12535321}}^1$

素因数の和:12535410

約数の個数: 16

約数和(自身を含む): 32090424320

約数和(自身を除く): 11294326781

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 12535321, 37605963, 87747247, 263241741, 990290359, 2970871077, 6932032513, 20796097539]

約数ペア:

[(1, 20796097539), (3, 6932032513), (7, 2970871077), (21, 990290359), (79, 263241741), (237, 87747247), (553, 37605963), (1659, 12535321)]