20197562

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11923}}^1$

素因数の和:11954

約数の個数: 24

約数和(自身を含む): 38061408

約数和(自身を除く): 17863846

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 11923, 23846, 83461, 131153, 166922, 262306, 918071, 1442683, 1836142, 2885366, 10098781, 20197562]

約数ペア:

[(1, 20197562), (2, 10098781), (7, 2885366), (11, 1836142), (14, 1442683), (22, 918071), (77, 262306), (121, 166922), (154, 131153), (242, 83461), (847, 23846), (1694, 11923)]