20557383

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{88993}}^1$

素因数の和:89014

約数の個数: 16

約数和(自身を含む): 34173696

約数和(自身を除く): 13616313

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 88993, 266979, 622951, 978923, 1868853, 2936769, 6852461, 20557383]

約数ペア:

[(1, 20557383), (3, 6852461), (7, 2936769), (11, 1868853), (21, 978923), (33, 622951), (77, 266979), (231, 88993)]