20347888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{115613}}^1$

素因数の和:115632

約数の個数: 20

約数和(自身を含む): 43008408

約数和(自身を除く): 22660520

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 115613, 231226, 462452, 924904, 1271743, 1849808, 2543486, 5086972, 10173944, 20347888]

約数ペア:

[(1, 20347888), (2, 10173944), (4, 5086972), (8, 2543486), (11, 1849808), (16, 1271743), (22, 924904), (44, 462452), (88, 231226), (176, 115613)]