20561044

素因数分解:

$2^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{2179}}^1$

素因数の和:2527

約数の個数: 24

約数和(自身を含む): 41263040

約数和(自身を除く): 20701996

約数列:

[1, 2, 4, 7, 14, 28, 337, 674, 1348, 2179, 2359, 4358, 4718, 8716, 9436, 15253, 30506, 61012, 734323, 1468646, 2937292, 5140261, 10280522, 20561044]

約数ペア:

[(1, 20561044), (2, 10280522), (4, 5140261), (7, 2937292), (14, 1468646), (28, 734323), (337, 61012), (674, 30506), (1348, 15253), (2179, 9436), (2359, 8716), (4358, 4718)]