20772612

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 64576512

約数和(自身を除く): 43803900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 43, 54, 63, 71, 81, 84, 86, 108, 126, 129, 142, 162, 172, 189, 213, 243, 252, 258, 284, 301, 324, 378, 387, 426, 486, 497, 516, 567, 602, 639, 756, 774, 852, 903, 972, 994, 1134, 1161, 1204, 1278, 1491, 1548, 1701, 1806, 1917, 1988, 2268, 2322, 2556, 2709, 2982, 3053, 3402, 3483, 3612, 3834, 4473, 4644, 5418, 5751, 5964, 6106, 6804, 6966, 7668, 8127, 8946, 9159, 10449, 10836, 11502, 12212, 13419, 13932, 16254, 17253, 17892, 18318, 20898, 21371, 23004, 24381, 26838, 27477, 32508, 34506, 36636, 40257, 41796, 42742, 48762, 53676, 54954, 64113, 69012, 73143, 80514, 82431, 85484, 97524, 109908, 120771, 128226, 146286, 161028, 164862, 192339, 241542, 247293, 256452, 292572, 329724, 384678, 483084, 494586, 577017, 741879, 769356, 989172, 1154034, 1483758, 1731051, 2308068, 2967516, 3462102, 5193153, 6924204, 10386306, 20772612]

約数ペア:

[(1, 20772612), (2, 10386306), (3, 6924204), (4, 5193153), (6, 3462102), (7, 2967516), (9, 2308068), (12, 1731051), (14, 1483758), (18, 1154034), (21, 989172), (27, 769356), (28, 741879), (36, 577017), (42, 494586), (43, 483084), (54, 384678), (63, 329724), (71, 292572), (81, 256452), (84, 247293), (86, 241542), (108, 192339), (126, 164862), (129, 161028), (142, 146286), (162, 128226), (172, 120771), (189, 109908), (213, 97524), (243, 85484), (252, 82431), (258, 80514), (284, 73143), (301, 69012), (324, 64113), (378, 54954), (387, 53676), (426, 48762), (486, 42742), (497, 41796), (516, 40257), (567, 36636), (602, 34506), (639, 32508), (756, 27477), (774, 26838), (852, 24381), (903, 23004), (972, 21371), (994, 20898), (1134, 18318), (1161, 17892), (1204, 17253), (1278, 16254), (1491, 13932), (1548, 13419), (1701, 12212), (1806, 11502), (1917, 10836), (1988, 10449), (2268, 9159), (2322, 8946), (2556, 8127), (2709, 7668), (2982, 6966), (3053, 6804), (3402, 6106), (3483, 5964), (3612, 5751), (3834, 5418), (4473, 4644)]