20693904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{509}}^1$

素因数の和:549

約数の個数: 120

約数和(自身を含む): 67287360

約数和(自身を除く): 46593456

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 121, 132, 154, 168, 176, 231, 242, 264, 308, 336, 363, 462, 484, 509, 528, 616, 726, 847, 924, 968, 1018, 1232, 1452, 1527, 1694, 1848, 1936, 2036, 2541, 2904, 3054, 3388, 3563, 3696, 4072, 5082, 5599, 5808, 6108, 6776, 7126, 8144, 10164, 10689, 11198, 12216, 13552, 14252, 16797, 20328, 21378, 22396, 24432, 28504, 33594, 39193, 40656, 42756, 44792, 57008, 61589, 67188, 78386, 85512, 89584, 117579, 123178, 134376, 156772, 171024, 184767, 235158, 246356, 268752, 313544, 369534, 431123, 470316, 492712, 627088, 739068, 862246, 940632, 985424, 1293369, 1478136, 1724492, 1881264, 2586738, 2956272, 3448984, 5173476, 6897968, 10346952, 20693904]

約数ペア:

[(1, 20693904), (2, 10346952), (3, 6897968), (4, 5173476), (6, 3448984), (7, 2956272), (8, 2586738), (11, 1881264), (12, 1724492), (14, 1478136), (16, 1293369), (21, 985424), (22, 940632), (24, 862246), (28, 739068), (33, 627088), (42, 492712), (44, 470316), (48, 431123), (56, 369534), (66, 313544), (77, 268752), (84, 246356), (88, 235158), (112, 184767), (121, 171024), (132, 156772), (154, 134376), (168, 123178), (176, 117579), (231, 89584), (242, 85512), (264, 78386), (308, 67188), (336, 61589), (363, 57008), (462, 44792), (484, 42756), (509, 40656), (528, 39193), (616, 33594), (726, 28504), (847, 24432), (924, 22396), (968, 21378), (1018, 20328), (1232, 16797), (1452, 14252), (1527, 13552), (1694, 12216), (1848, 11198), (1936, 10689), (2036, 10164), (2541, 8144), (2904, 7126), (3054, 6776), (3388, 6108), (3563, 5808), (3696, 5599), (4072, 5082)]