20185689885

素因数分解:

$3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{479}}^1\times {\mathrm{6869}}^1$

素因数の和:7765

約数の個数: 32

約数和(自身を含む): 32448384000

約数和(自身を除く): 12262694115

約数列:

[1, 3, 5, 15, 409, 479, 1227, 1437, 2045, 2395, 6135, 6869, 7185, 20607, 34345, 103035, 195911, 587733, 979555, 2809421, 2938665, 3290251, 8428263, 9870753, 14047105, 16451255, 42141315, 49353765, 1345712659, 4037137977, 6728563295, 20185689885]

約数ペア:

[(1, 20185689885), (3, 6728563295), (5, 4037137977), (15, 1345712659), (409, 49353765), (479, 42141315), (1227, 16451255), (1437, 14047105), (2045, 9870753), (2395, 8428263), (6135, 3290251), (6869, 2938665), (7185, 2809421), (20607, 979555), (34345, 587733), (103035, 195911)]