20938045390

素因数分解:

$2^1\times 5^1\times {\mathrm{6373}}^1\times {\mathrm{328543}}^1$

素因数の和:334923

約数の個数: 16

約数和(自身を含む): 37694510208

約数和(自身を除く): 16756464818

約数列:

[1, 2, 5, 10, 6373, 12746, 31865, 63730, 328543, 657086, 1642715, 3285430, 2093804539, 4187609078, 10469022695, 20938045390]

約数ペア:

[(1, 20938045390), (2, 10469022695), (5, 4187609078), (10, 2093804539), (6373, 3285430), (12746, 1642715), (31865, 657086), (63730, 328543)]