20829340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148781}}^1$

素因数の和:148797

約数の個数: 24

約数和(自身を含む): 49990752

約数和(自身を除く): 29161412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148781, 297562, 595124, 743905, 1041467, 1487810, 2082934, 2975620, 4165868, 5207335, 10414670, 20829340]

約数ペア:

[(1, 20829340), (2, 10414670), (4, 5207335), (5, 4165868), (7, 2975620), (10, 2082934), (14, 1487810), (20, 1041467), (28, 743905), (35, 595124), (70, 297562), (140, 148781)]