20771751

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6917}}^1$

素因数の和:6951

約数の個数: 32

約数和(自身を含む): 37191168

約数和(自身を除く): 16419417

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 6917, 20751, 48419, 76087, 89921, 145257, 228261, 269763, 532609, 629447, 989131, 1597827, 1888341, 2967393, 6923917, 20771751]

約数ペア:

[(1, 20771751), (3, 6923917), (7, 2967393), (11, 1888341), (13, 1597827), (21, 989131), (33, 629447), (39, 532609), (77, 269763), (91, 228261), (143, 145257), (231, 89921), (273, 76087), (429, 48419), (1001, 20751), (3003, 6917)]