20193934684

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{217823}}^1$

素因数の和:217895

約数の個数: 72

約数和(自身を含む): 45889417728

約数和(自身を除く): 25695483044

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 49, 77, 86, 98, 154, 172, 196, 301, 308, 473, 539, 602, 946, 1078, 1204, 1892, 2107, 2156, 3311, 4214, 6622, 8428, 13244, 23177, 46354, 92708, 217823, 435646, 871292, 1524761, 2396053, 3049522, 4792106, 6099044, 9366389, 9584212, 10673327, 16772371, 18732778, 21346654, 33544742, 37465556, 42693308, 65564723, 67089484, 103030279, 117406597, 131129446, 206060558, 234813194, 262258892, 412121116, 458953061, 469626388, 721211953, 917906122, 1442423906, 1835812244, 2884847812, 5048483671, 10096967342, 20193934684]

約数ペア:

[(1, 20193934684), (2, 10096967342), (4, 5048483671), (7, 2884847812), (11, 1835812244), (14, 1442423906), (22, 917906122), (28, 721211953), (43, 469626388), (44, 458953061), (49, 412121116), (77, 262258892), (86, 234813194), (98, 206060558), (154, 131129446), (172, 117406597), (196, 103030279), (301, 67089484), (308, 65564723), (473, 42693308), (539, 37465556), (602, 33544742), (946, 21346654), (1078, 18732778), (1204, 16772371), (1892, 10673327), (2107, 9584212), (2156, 9366389), (3311, 6099044), (4214, 4792106), (6622, 3049522), (8428, 2396053), (13244, 1524761), (23177, 871292), (46354, 435646), (92708, 217823)]