20802688971260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148590635509}}^1$

素因数の和:148590635525

約数の個数: 24

約数和(自身を含む): 49926453531360

約数和(自身を除く): 29123764560100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148590635509, 297181271018, 594362542036, 742953177545, 1040134448563, 1485906355090, 2080268897126, 2971812710180, 4160537794252, 5200672242815, 10401344485630, 20802688971260]

約数ペア:

[(1, 20802688971260), (2, 10401344485630), (4, 5200672242815), (5, 4160537794252), (7, 2971812710180), (10, 2080268897126), (14, 1485906355090), (20, 1040134448563), (28, 742953177545), (35, 594362542036), (70, 297181271018), (140, 148590635509)]