20457514

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1871}}^1$

素因数の和:1962

約数の個数: 32

約数和(自身を含む): 38817792

約数和(自身を除く): 18360278

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 1871, 3742, 5467, 10934, 13097, 20581, 26194, 41162, 132841, 144067, 265682, 288134, 929887, 1461251, 1859774, 2922502, 10228757, 20457514]

約数ペア:

[(1, 20457514), (2, 10228757), (7, 2922502), (11, 1859774), (14, 1461251), (22, 929887), (71, 288134), (77, 265682), (142, 144067), (154, 132841), (497, 41162), (781, 26194), (994, 20581), (1562, 13097), (1871, 10934), (3742, 5467)]