20971300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29959}}^1$

素因数の和:29980

約数の個数: 36

約数和(自身を含む): 52010560

約数和(自身を除く): 31039260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29959, 59918, 119836, 149795, 209713, 299590, 419426, 599180, 748975, 838852, 1048565, 1497950, 2097130, 2995900, 4194260, 5242825, 10485650, 20971300]

約数ペア:

[(1, 20971300), (2, 10485650), (4, 5242825), (5, 4194260), (7, 2995900), (10, 2097130), (14, 1497950), (20, 1048565), (25, 838852), (28, 748975), (35, 599180), (50, 419426), (70, 299590), (100, 209713), (140, 149795), (175, 119836), (350, 59918), (700, 29959)]