20187274

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:250

約数の個数: 24

約数和(自身を含む): 31860108

約数和(自身を除く): 11672834

約数列:

[1, 2, 37, 73, 74, 101, 146, 202, 1369, 2701, 2738, 3737, 5402, 7373, 7474, 14746, 99937, 138269, 199874, 272801, 276538, 545602, 10093637, 20187274]

約数ペア:

[(1, 20187274), (2, 10093637), (37, 545602), (73, 276538), (74, 272801), (101, 199874), (146, 138269), (202, 99937), (1369, 14746), (2701, 7474), (2738, 7373), (3737, 5402)]