20788656

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61871}}^1$

素因数の和:61889

約数の個数: 40

約数和(自身を含む): 61377024

約数和(自身を除く): 40588368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 61871, 123742, 185613, 247484, 371226, 433097, 494968, 742452, 866194, 989936, 1299291, 1484904, 1732388, 2598582, 2969808, 3464776, 5197164, 6929552, 10394328, 20788656]

約数ペア:

[(1, 20788656), (2, 10394328), (3, 6929552), (4, 5197164), (6, 3464776), (7, 2969808), (8, 2598582), (12, 1732388), (14, 1484904), (16, 1299291), (21, 989936), (24, 866194), (28, 742452), (42, 494968), (48, 433097), (56, 371226), (84, 247484), (112, 185613), (168, 123742), (336, 61871)]