20867085

素因数分解:

$3^3\times 5^1\times {\mathrm{154571}}^1$

素因数の和:154585

約数の個数: 16

約数和(自身を含む): 37097280

約数和(自身を除く): 16230195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 154571, 463713, 772855, 1391139, 2318565, 4173417, 6955695, 20867085]

約数ペア:

[(1, 20867085), (3, 6955695), (5, 4173417), (9, 2318565), (15, 1391139), (27, 772855), (45, 463713), (135, 154571)]