20505012957

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1448401}}^1$

素因数の和:1448442

約数の個数: 36

約数和(自身を含む): 35060018812

約数和(自身を除く): 14555005855

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 363, 429, 1089, 1287, 1573, 4719, 14157, 1448401, 4345203, 13035609, 15932411, 18829213, 47797233, 56487639, 143391699, 169462917, 175256521, 207121343, 525769563, 621364029, 1577308689, 1864092087, 2278334773, 6835004319, 20505012957]

約数ペア:

[(1, 20505012957), (3, 6835004319), (9, 2278334773), (11, 1864092087), (13, 1577308689), (33, 621364029), (39, 525769563), (99, 207121343), (117, 175256521), (121, 169462917), (143, 143391699), (363, 56487639), (429, 47797233), (1089, 18829213), (1287, 15932411), (1573, 13035609), (4719, 4345203), (14157, 1448401)]