20138784736

素因数分解:

$2^5\times 7^1\times {\mathrm{24571}}^1\times {\mathrm{3659}}^1$

素因数の和:28247

約数の個数: 48

約数和(自身を含む): 45326494080

約数和(自身を除く): 25187709344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 3659, 7318, 14636, 24571, 25613, 29272, 49142, 51226, 58544, 98284, 102452, 117088, 171997, 196568, 204904, 343994, 393136, 409808, 687988, 786272, 819616, 1375976, 2751952, 5503904, 89905289, 179810578, 359621156, 629337023, 719242312, 1258674046, 1438484624, 2517348092, 2876969248, 5034696184, 10069392368, 20138784736]

約数ペア:

[(1, 20138784736), (2, 10069392368), (4, 5034696184), (7, 2876969248), (8, 2517348092), (14, 1438484624), (16, 1258674046), (28, 719242312), (32, 629337023), (56, 359621156), (112, 179810578), (224, 89905289), (3659, 5503904), (7318, 2751952), (14636, 1375976), (24571, 819616), (25613, 786272), (29272, 687988), (49142, 409808), (51226, 393136), (58544, 343994), (98284, 204904), (102452, 196568), (117088, 171997)]