20199705617

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{246913}}^1$

素因数の和:246993

約数の個数: 32

約数和(自身を含む): 26548193280

約数和(自身を除く): 6348487663

約数列:

[1, 7, 13, 29, 31, 91, 203, 217, 377, 403, 899, 2639, 2821, 6293, 11687, 81809, 246913, 1728391, 3209869, 7160477, 7654303, 22469083, 50123339, 53580121, 93086201, 99505939, 221974787, 651603407, 696541573, 1553823509, 2885672231, 20199705617]

約数ペア:

[(1, 20199705617), (7, 2885672231), (13, 1553823509), (29, 696541573), (31, 651603407), (91, 221974787), (203, 99505939), (217, 93086201), (377, 53580121), (403, 50123339), (899, 22469083), (2639, 7654303), (2821, 7160477), (6293, 3209869), (11687, 1728391), (81809, 246913)]