20215488370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26253881}}^1$

素因数の和:26253906

約数の個数: 32

約数和(自身を含む): 45366708096

約数和(自身を除く): 25151219726

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26253881, 52507762, 131269405, 183777167, 262538810, 288792691, 367554334, 577585382, 918885835, 1443963455, 1837771670, 2021548837, 2887926910, 4043097674, 10107744185, 20215488370]

約数ペア:

[(1, 20215488370), (2, 10107744185), (5, 4043097674), (7, 2887926910), (10, 2021548837), (11, 1837771670), (14, 1443963455), (22, 918885835), (35, 577585382), (55, 367554334), (70, 288792691), (77, 262538810), (110, 183777167), (154, 131269405), (385, 52507762), (770, 26253881)]