20881364955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3420371}}^1$

素因数の和:3420427

約数の個数: 32

約数和(自身を含む): 37432551168

約数和(自身を除く): 16551186213

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 6105, 3420371, 10261113, 17101855, 37624081, 51305565, 112872243, 126553727, 188120405, 379661181, 564361215, 632768635, 1392090997, 1898305905, 4176272991, 6960454985, 20881364955]

約数ペア:

[(1, 20881364955), (3, 6960454985), (5, 4176272991), (11, 1898305905), (15, 1392090997), (33, 632768635), (37, 564361215), (55, 379661181), (111, 188120405), (165, 126553727), (185, 112872243), (407, 51305565), (555, 37624081), (1221, 17101855), (2035, 10261113), (6105, 3420371)]