20982220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149873}}^1$

素因数の和:149889

約数の個数: 24

約数和(自身を含む): 50357664

約数和(自身を除く): 29375444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149873, 299746, 599492, 749365, 1049111, 1498730, 2098222, 2997460, 4196444, 5245555, 10491110, 20982220]

約数ペア:

[(1, 20982220), (2, 10491110), (4, 5245555), (5, 4196444), (7, 2997460), (10, 2098222), (14, 1498730), (20, 1049111), (28, 749365), (35, 599492), (70, 299746), (140, 149873)]