20306888

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3389}}^1$

素因数の和:3509

約数の個数: 32

約数和(自身を含む): 43934400

約数和(自身を除く): 23627512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 3389, 5992, 6778, 13556, 23723, 27112, 47446, 94892, 189784, 362623, 725246, 1450492, 2538361, 2900984, 5076722, 10153444, 20306888]

約数ペア:

[(1, 20306888), (2, 10153444), (4, 5076722), (7, 2900984), (8, 2538361), (14, 1450492), (28, 725246), (56, 362623), (107, 189784), (214, 94892), (428, 47446), (749, 27112), (856, 23723), (1498, 13556), (2996, 6778), (3389, 5992)]