20952765

素因数分解:

$3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1657}}^1$

素因数の和:1949

約数の個数: 24

約数和(自身を含む): 36469368

約数和(自身を除く): 15516603

約数列:

[1, 3, 5, 9, 15, 45, 281, 843, 1405, 1657, 2529, 4215, 4971, 8285, 12645, 14913, 24855, 74565, 465617, 1396851, 2328085, 4190553, 6984255, 20952765]

約数ペア:

[(1, 20952765), (3, 6984255), (5, 4190553), (9, 2328085), (15, 1396851), (45, 465617), (281, 74565), (843, 24855), (1405, 14913), (1657, 12645), (2529, 8285), (4215, 4971)]