20807501028

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1\times {\mathrm{40111}}^1$

素因数の和:40568

約数の個数: 48

約数和(自身を含む): 49058580480

約数和(自身を除く): 28251079452

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 311, 417, 556, 622, 834, 933, 1244, 1668, 1866, 3732, 40111, 43229, 80222, 86458, 120333, 129687, 160444, 172916, 240666, 259374, 481332, 518748, 5575429, 11150858, 12474521, 16726287, 22301716, 24949042, 33452574, 37423563, 49898084, 66905148, 74847126, 149694252, 1733958419, 3467916838, 5201875257, 6935833676, 10403750514, 20807501028]

約数ペア:

[(1, 20807501028), (2, 10403750514), (3, 6935833676), (4, 5201875257), (6, 3467916838), (12, 1733958419), (139, 149694252), (278, 74847126), (311, 66905148), (417, 49898084), (556, 37423563), (622, 33452574), (834, 24949042), (933, 22301716), (1244, 16726287), (1668, 12474521), (1866, 11150858), (3732, 5575429), (40111, 518748), (43229, 481332), (80222, 259374), (86458, 240666), (120333, 172916), (129687, 160444)]