20172541930

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10239869}}^1$

素因数の和:10240073

約数の個数: 16

約数和(自身を含む): 36494896680

約数和(自身を除く): 16322354750

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 10239869, 20479738, 51199345, 102398690, 2017254193, 4034508386, 10086270965, 20172541930]

約数ペア:

[(1, 20172541930), (2, 10086270965), (5, 4034508386), (10, 2017254193), (197, 102398690), (394, 51199345), (985, 20479738), (1970, 10239869)]