20515743909

素因数分解:

$3^4\times {\mathrm{8221}}^1\times {\mathrm{30809}}^1$

素因数の和:39042

約数の個数: 20

約数和(自身を含む): 30651698220

約数和(自身を除く): 10135954311

約数列:

[1, 3, 9, 27, 81, 8221, 24663, 30809, 73989, 92427, 221967, 277281, 665901, 831843, 2495529, 253280789, 759842367, 2279527101, 6838581303, 20515743909]

約数ペア:

[(1, 20515743909), (3, 6838581303), (9, 2279527101), (27, 759842367), (81, 253280789), (8221, 2495529), (24663, 831843), (30809, 665901), (73989, 277281), (92427, 221967)]