20802872944

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{829}}^1\times {\mathrm{3673}}^1$

素因数の和:4578

約数の個数: 80

約数和(自身を含む): 46887881920

約数和(自身を除く): 26085008976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 829, 854, 976, 1658, 1708, 3316, 3416, 3673, 5803, 6632, 6832, 7346, 11606, 13264, 14692, 23212, 25711, 29384, 46424, 50569, 51422, 58768, 92848, 101138, 102844, 202276, 205688, 224053, 353983, 404552, 411376, 448106, 707966, 809104, 896212, 1415932, 1568371, 1792424, 2831864, 3044917, 3136742, 3584848, 5663728, 6089834, 6273484, 12179668, 12546968, 21314419, 24359336, 25093936, 42628838, 48718672, 85257676, 170515352, 185739937, 341030704, 371479874, 742959748, 1300179559, 1485919496, 2600359118, 2971838992, 5200718236, 10401436472, 20802872944]

約数ペア:

[(1, 20802872944), (2, 10401436472), (4, 5200718236), (7, 2971838992), (8, 2600359118), (14, 1485919496), (16, 1300179559), (28, 742959748), (56, 371479874), (61, 341030704), (112, 185739937), (122, 170515352), (244, 85257676), (427, 48718672), (488, 42628838), (829, 25093936), (854, 24359336), (976, 21314419), (1658, 12546968), (1708, 12179668), (3316, 6273484), (3416, 6089834), (3673, 5663728), (5803, 3584848), (6632, 3136742), (6832, 3044917), (7346, 2831864), (11606, 1792424), (13264, 1568371), (14692, 1415932), (23212, 896212), (25711, 809104), (29384, 707966), (46424, 448106), (50569, 411376), (51422, 404552), (58768, 353983), (92848, 224053), (101138, 205688), (102844, 202276)]