20515960322

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{547}}^1\times {\mathrm{659}}^1$

素因数の和:1431

約数の個数: 64

約数和(自身を含む): 36457344000

約数和(自身を除く): 15941383678

約数列:

[1, 2, 11, 13, 22, 26, 143, 199, 286, 398, 547, 659, 1094, 1318, 2189, 2587, 4378, 5174, 6017, 7111, 7249, 8567, 12034, 14222, 14498, 17134, 28457, 56914, 78221, 94237, 108853, 131141, 156442, 188474, 217706, 262282, 360473, 720946, 1197383, 1415089, 1442551, 1704833, 2394766, 2830178, 2885102, 3409666, 3965203, 4686149, 7930406, 9372298, 15565979, 18753163, 31131958, 37506326, 51547639, 71734127, 103095278, 143468254, 789075397, 932543651, 1578150794, 1865087302, 10257980161, 20515960322]

約数ペア:

[(1, 20515960322), (2, 10257980161), (11, 1865087302), (13, 1578150794), (22, 932543651), (26, 789075397), (143, 143468254), (199, 103095278), (286, 71734127), (398, 51547639), (547, 37506326), (659, 31131958), (1094, 18753163), (1318, 15565979), (2189, 9372298), (2587, 7930406), (4378, 4686149), (5174, 3965203), (6017, 3409666), (7111, 2885102), (7249, 2830178), (8567, 2394766), (12034, 1704833), (14222, 1442551), (14498, 1415089), (17134, 1197383), (28457, 720946), (56914, 360473), (78221, 262282), (94237, 217706), (108853, 188474), (131141, 156442)]