20659848

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 56851200

約数和(自身を除く): 36191352

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 139, 264, 278, 417, 556, 563, 834, 1112, 1126, 1529, 1668, 1689, 2252, 3058, 3336, 3378, 4504, 4587, 6116, 6193, 6756, 9174, 12232, 12386, 13512, 18348, 18579, 24772, 36696, 37158, 49544, 74316, 78257, 148632, 156514, 234771, 313028, 469542, 626056, 860827, 939084, 1721654, 1878168, 2582481, 3443308, 5164962, 6886616, 10329924, 20659848]

約数ペア:

[(1, 20659848), (2, 10329924), (3, 6886616), (4, 5164962), (6, 3443308), (8, 2582481), (11, 1878168), (12, 1721654), (22, 939084), (24, 860827), (33, 626056), (44, 469542), (66, 313028), (88, 234771), (132, 156514), (139, 148632), (264, 78257), (278, 74316), (417, 49544), (556, 37158), (563, 36696), (834, 24772), (1112, 18579), (1126, 18348), (1529, 13512), (1668, 12386), (1689, 12232), (2252, 9174), (3058, 6756), (3336, 6193), (3378, 6116), (4504, 4587)]