20214138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 49443840

約数和(自身を除く): 29229702

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 73, 114, 133, 146, 219, 266, 347, 399, 438, 511, 694, 798, 1022, 1041, 1387, 1533, 2082, 2429, 2774, 3066, 4161, 4858, 6593, 7287, 8322, 9709, 13186, 14574, 19418, 19779, 25331, 29127, 39558, 46151, 50662, 58254, 75993, 92302, 138453, 151986, 177317, 276906, 354634, 481289, 531951, 962578, 1063902, 1443867, 2887734, 3369023, 6738046, 10107069, 20214138]

約数ペア:

[(1, 20214138), (2, 10107069), (3, 6738046), (6, 3369023), (7, 2887734), (14, 1443867), (19, 1063902), (21, 962578), (38, 531951), (42, 481289), (57, 354634), (73, 276906), (114, 177317), (133, 151986), (146, 138453), (219, 92302), (266, 75993), (347, 58254), (399, 50662), (438, 46151), (511, 39558), (694, 29127), (798, 25331), (1022, 19779), (1041, 19418), (1387, 14574), (1533, 13186), (2082, 9709), (2429, 8322), (2774, 7287), (3066, 6593), (4161, 4858)]