20756670783

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{643}}^1\times {\mathrm{727}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 30008998656

約数和(自身を除く): 9252327873

約数列:

[1, 3, 19, 41, 57, 123, 361, 643, 727, 779, 1083, 1929, 2181, 2337, 12217, 13813, 14801, 26363, 29807, 36651, 41439, 44403, 79089, 89421, 232123, 262447, 467461, 500897, 566333, 696369, 787341, 1402383, 1502691, 1698999, 8881759, 9517043, 10760327, 19165901, 26645277, 28551129, 32280981, 57497703, 168753421, 364152119, 506260263, 1092456357, 6918890261, 20756670783]

約数ペア:

[(1, 20756670783), (3, 6918890261), (19, 1092456357), (41, 506260263), (57, 364152119), (123, 168753421), (361, 57497703), (643, 32280981), (727, 28551129), (779, 26645277), (1083, 19165901), (1929, 10760327), (2181, 9517043), (2337, 8881759), (12217, 1698999), (13813, 1502691), (14801, 1402383), (26363, 787341), (29807, 696369), (36651, 566333), (41439, 500897), (44403, 467461), (79089, 262447), (89421, 232123)]