20565584156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{18233}}^1$

素因数の和:18558

約数の個数: 48

約数和(自身を含む): 39312504000

約数和(自身を除く): 18746919844

約数列:

[1, 2, 4, 13, 26, 52, 109, 199, 218, 398, 436, 796, 1417, 2587, 2834, 5174, 5668, 10348, 18233, 21691, 36466, 43382, 72932, 86764, 237029, 281983, 474058, 563966, 948116, 1127932, 1987397, 3628367, 3974794, 7256734, 7949588, 14513468, 25836161, 47168771, 51672322, 94337542, 103344644, 188675084, 395492003, 790984006, 1581968012, 5141396039, 10282792078, 20565584156]

約数ペア:

[(1, 20565584156), (2, 10282792078), (4, 5141396039), (13, 1581968012), (26, 790984006), (52, 395492003), (109, 188675084), (199, 103344644), (218, 94337542), (398, 51672322), (436, 47168771), (796, 25836161), (1417, 14513468), (2587, 7949588), (2834, 7256734), (5174, 3974794), (5668, 3628367), (10348, 1987397), (18233, 1127932), (21691, 948116), (36466, 563966), (43382, 474058), (72932, 281983), (86764, 237029)]