20952582

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 50050560

約数和(自身を除く): 29097978

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 97, 111, 139, 194, 222, 259, 278, 291, 417, 518, 582, 679, 777, 834, 973, 1358, 1554, 1946, 2037, 2919, 3589, 4074, 5143, 5838, 7178, 10286, 10767, 13483, 15429, 21534, 25123, 26966, 30858, 36001, 40449, 50246, 72002, 75369, 80898, 94381, 108003, 150738, 188762, 216006, 283143, 498871, 566286, 997742, 1496613, 2993226, 3492097, 6984194, 10476291, 20952582]

約数ペア:

[(1, 20952582), (2, 10476291), (3, 6984194), (6, 3492097), (7, 2993226), (14, 1496613), (21, 997742), (37, 566286), (42, 498871), (74, 283143), (97, 216006), (111, 188762), (139, 150738), (194, 108003), (222, 94381), (259, 80898), (278, 75369), (291, 72002), (417, 50246), (518, 40449), (582, 36001), (679, 30858), (777, 26966), (834, 25123), (973, 21534), (1358, 15429), (1554, 13483), (1946, 10767), (2037, 10286), (2919, 7178), (3589, 5838), (4074, 5143)]