20486533928

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{50383}}^1$

素因数の和:50586

約数の個数: 64

約数和(自身を含む): 45055388160

約数和(自身を除く): 24568854232

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 137, 212, 274, 371, 424, 548, 742, 959, 1096, 1484, 1918, 2968, 3836, 7261, 7672, 14522, 29044, 50383, 50827, 58088, 100766, 101654, 201532, 203308, 352681, 403064, 406616, 705362, 1410724, 2670299, 2821448, 5340598, 6902471, 10681196, 13804942, 18692093, 21362392, 27609884, 37384186, 48317297, 55219768, 74768372, 96634594, 149536744, 193269188, 365830963, 386538376, 731661926, 1463323852, 2560816741, 2926647704, 5121633482, 10243266964, 20486533928]

約数ペア:

[(1, 20486533928), (2, 10243266964), (4, 5121633482), (7, 2926647704), (8, 2560816741), (14, 1463323852), (28, 731661926), (53, 386538376), (56, 365830963), (106, 193269188), (137, 149536744), (212, 96634594), (274, 74768372), (371, 55219768), (424, 48317297), (548, 37384186), (742, 27609884), (959, 21362392), (1096, 18692093), (1484, 13804942), (1918, 10681196), (2968, 6902471), (3836, 5340598), (7261, 2821448), (7672, 2670299), (14522, 1410724), (29044, 705362), (50383, 406616), (50827, 403064), (58088, 352681), (100766, 203308), (101654, 201532)]