20951952

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 62472192

約数和(自身を除く): 41520240

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 127, 168, 254, 336, 381, 491, 508, 762, 889, 982, 1016, 1473, 1524, 1778, 1964, 2032, 2667, 2946, 3048, 3437, 3556, 3928, 5334, 5892, 6096, 6874, 7112, 7856, 10311, 10668, 11784, 13748, 14224, 20622, 21336, 23568, 27496, 41244, 42672, 54992, 62357, 82488, 124714, 164976, 187071, 249428, 374142, 436499, 498856, 748284, 872998, 997712, 1309497, 1496568, 1745996, 2618994, 2993136, 3491992, 5237988, 6983984, 10475976, 20951952]

約数ペア:

[(1, 20951952), (2, 10475976), (3, 6983984), (4, 5237988), (6, 3491992), (7, 2993136), (8, 2618994), (12, 1745996), (14, 1496568), (16, 1309497), (21, 997712), (24, 872998), (28, 748284), (42, 498856), (48, 436499), (56, 374142), (84, 249428), (112, 187071), (127, 164976), (168, 124714), (254, 82488), (336, 62357), (381, 54992), (491, 42672), (508, 41244), (762, 27496), (889, 23568), (982, 21336), (1016, 20622), (1473, 14224), (1524, 13748), (1778, 11784), (1964, 10668), (2032, 10311), (2667, 7856), (2946, 7112), (3048, 6874), (3437, 6096), (3556, 5892), (3928, 5334)]