20206323981

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{348463}}^1$

素因数の和:348865

約数の個数: 24

約数和(自身を含む): 30985418880

約数和(自身を除く): 10779094899

約数列:

[1, 3, 9, 17, 51, 153, 379, 1137, 3411, 6443, 19329, 57987, 348463, 1045389, 3136167, 5923871, 17771613, 53314839, 132067477, 396202431, 1188607293, 2245147109, 6735441327, 20206323981]

約数ペア:

[(1, 20206323981), (3, 6735441327), (9, 2245147109), (17, 1188607293), (51, 396202431), (153, 132067477), (379, 53314839), (1137, 17771613), (3411, 5923871), (6443, 3136167), (19329, 1045389), (57987, 348463)]