20055906

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:400

約数の個数: 72

約数和(自身を含む): 49673520

約数和(自身を除く): 29617614

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 169, 171, 234, 247, 338, 342, 347, 494, 507, 694, 741, 1014, 1041, 1482, 1521, 2082, 2223, 3042, 3123, 3211, 4446, 4511, 6246, 6422, 6593, 9022, 9633, 13186, 13533, 19266, 19779, 27066, 28899, 39558, 40599, 57798, 58643, 59337, 81198, 85709, 117286, 118674, 171418, 175929, 257127, 351858, 514254, 527787, 771381, 1055574, 1114217, 1542762, 2228434, 3342651, 6685302, 10027953, 20055906]

約数ペア:

[(1, 20055906), (2, 10027953), (3, 6685302), (6, 3342651), (9, 2228434), (13, 1542762), (18, 1114217), (19, 1055574), (26, 771381), (38, 527787), (39, 514254), (57, 351858), (78, 257127), (114, 175929), (117, 171418), (169, 118674), (171, 117286), (234, 85709), (247, 81198), (338, 59337), (342, 58643), (347, 57798), (494, 40599), (507, 39558), (694, 28899), (741, 27066), (1014, 19779), (1041, 19266), (1482, 13533), (1521, 13186), (2082, 9633), (2223, 9022), (3042, 6593), (3123, 6422), (3211, 6246), (4446, 4511)]