20650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{59}}^1$

素因数の和:78

約数の個数: 24

約数和(自身を含む): 44640

約数和(自身を除く): 23990

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 59, 70, 118, 175, 295, 350, 413, 590, 826, 1475, 2065, 2950, 4130, 10325, 20650]

約数ペア:

[(1, 20650), (2, 10325), (5, 4130), (7, 2950), (10, 2065), (14, 1475), (25, 826), (35, 590), (50, 413), (59, 350), (70, 295), (118, 175)]