20216361

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1697}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 31053024

約数和(自身を除く): 10836663

約数列:

[1, 3, 11, 19, 33, 57, 209, 361, 627, 1083, 1697, 3971, 5091, 11913, 18667, 32243, 56001, 96729, 354673, 612617, 1064019, 1837851, 6738787, 20216361]

約数ペア:

[(1, 20216361), (3, 6738787), (11, 1837851), (19, 1064019), (33, 612617), (57, 354673), (209, 96729), (361, 56001), (627, 32243), (1083, 18667), (1697, 11913), (3971, 5091)]