20346420040

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2582033}}^1$

素因数の和:2582241

約数の個数: 32

約数和(自身を含む): 46011845880

約数和(自身を除く): 25665425840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 2582033, 5164066, 10328132, 12910165, 20656264, 25820330, 51640660, 103281320, 508660501, 1017321002, 2034642004, 2543302505, 4069284008, 5086605010, 10173210020, 20346420040]

約数ペア:

[(1, 20346420040), (2, 10173210020), (4, 5086605010), (5, 4069284008), (8, 2543302505), (10, 2034642004), (20, 1017321002), (40, 508660501), (197, 103281320), (394, 51640660), (788, 25820330), (985, 20656264), (1576, 12910165), (1970, 10328132), (3940, 5164066), (7880, 2582033)]