20219774008

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{213523}}^1$

素因数の和:213644

約数の個数: 64

約数和(自身を含む): 46121184000

約数和(自身を除く): 25901409992

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 89, 133, 152, 178, 266, 356, 532, 623, 712, 1064, 1246, 1691, 2492, 3382, 4984, 6764, 11837, 13528, 23674, 47348, 94696, 213523, 427046, 854092, 1494661, 1708184, 2989322, 4056937, 5978644, 8113874, 11957288, 16227748, 19003547, 28398559, 32455496, 38007094, 56797118, 76014188, 113594236, 133024829, 152028376, 227188472, 266049658, 361067393, 532099316, 722134786, 1064198632, 1444269572, 2527471751, 2888539144, 5054943502, 10109887004, 20219774008]

約数ペア:

[(1, 20219774008), (2, 10109887004), (4, 5054943502), (7, 2888539144), (8, 2527471751), (14, 1444269572), (19, 1064198632), (28, 722134786), (38, 532099316), (56, 361067393), (76, 266049658), (89, 227188472), (133, 152028376), (152, 133024829), (178, 113594236), (266, 76014188), (356, 56797118), (532, 38007094), (623, 32455496), (712, 28398559), (1064, 19003547), (1246, 16227748), (1691, 11957288), (2492, 8113874), (3382, 5978644), (4984, 4056937), (6764, 2989322), (11837, 1708184), (13528, 1494661), (23674, 854092), (47348, 427046), (94696, 213523)]