20987968

素因数分解:

$2^6\times {\mathrm{353}}^1\times {\mathrm{929}}^1$

素因数の和:1294

約数の個数: 28

約数和(自身を含む): 41810940

約数和(自身を除く): 20822972

約数列:

[1, 2, 4, 8, 16, 32, 64, 353, 706, 929, 1412, 1858, 2824, 3716, 5648, 7432, 11296, 14864, 22592, 29728, 59456, 327937, 655874, 1311748, 2623496, 5246992, 10493984, 20987968]

約数ペア:

[(1, 20987968), (2, 10493984), (4, 5246992), (8, 2623496), (16, 1311748), (32, 655874), (64, 327937), (353, 59456), (706, 29728), (929, 22592), (1412, 14864), (1858, 11296), (2824, 7432), (3716, 5648)]