20516958

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 56339712

約数和(自身を除く): 35822754

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 113, 126, 131, 154, 198, 226, 231, 262, 339, 393, 462, 678, 693, 786, 791, 917, 1017, 1179, 1243, 1386, 1441, 1582, 1834, 2034, 2358, 2373, 2486, 2751, 2882, 3729, 4323, 4746, 5502, 7119, 7458, 8253, 8646, 8701, 10087, 11187, 12969, 14238, 14803, 16506, 17402, 20174, 22374, 25938, 26103, 29606, 30261, 44409, 52206, 60522, 78309, 88818, 90783, 103621, 133227, 156618, 162833, 181566, 207242, 266454, 310863, 325666, 488499, 621726, 932589, 976998, 1139831, 1465497, 1865178, 2279662, 2930994, 3419493, 6838986, 10258479, 20516958]

約数ペア:

[(1, 20516958), (2, 10258479), (3, 6838986), (6, 3419493), (7, 2930994), (9, 2279662), (11, 1865178), (14, 1465497), (18, 1139831), (21, 976998), (22, 932589), (33, 621726), (42, 488499), (63, 325666), (66, 310863), (77, 266454), (99, 207242), (113, 181566), (126, 162833), (131, 156618), (154, 133227), (198, 103621), (226, 90783), (231, 88818), (262, 78309), (339, 60522), (393, 52206), (462, 44409), (678, 30261), (693, 29606), (786, 26103), (791, 25938), (917, 22374), (1017, 20174), (1179, 17402), (1243, 16506), (1386, 14803), (1441, 14238), (1582, 12969), (1834, 11187), (2034, 10087), (2358, 8701), (2373, 8646), (2486, 8253), (2751, 7458), (2882, 7119), (3729, 5502), (4323, 4746)]