20565995553

素因数分解:

$3^3\times {\mathrm{257}}^1\times {\mathrm{743}}^1\times {\mathrm{3989}}^1$

素因数の和:4998

約数の個数: 32

約数和(自身を含む): 30635539200

約数和(自身を除く): 10069543647

約数列:

[1, 3, 9, 27, 257, 743, 771, 2229, 2313, 3989, 6687, 6939, 11967, 20061, 35901, 107703, 190951, 572853, 1025173, 1718559, 2963827, 3075519, 5155677, 8891481, 9226557, 26674443, 27679671, 80023329, 761703539, 2285110617, 6855331851, 20565995553]

約数ペア:

[(1, 20565995553), (3, 6855331851), (9, 2285110617), (27, 761703539), (257, 80023329), (743, 27679671), (771, 26674443), (2229, 9226557), (2313, 8891481), (3989, 5155677), (6687, 3075519), (6939, 2963827), (11967, 1718559), (20061, 1025173), (35901, 572853), (107703, 190951)]