20541878

素因数分解:

$2^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{797}}^1$

素因数の和:1076

約数の個数: 24

約数和(自身を含む): 36024912

約数和(自身を除く): 15483034

約数列:

[1, 2, 7, 14, 49, 98, 263, 526, 797, 1594, 1841, 3682, 5579, 11158, 12887, 25774, 39053, 78106, 209611, 419222, 1467277, 2934554, 10270939, 20541878]

約数ペア:

[(1, 20541878), (2, 10270939), (7, 2934554), (14, 1467277), (49, 419222), (98, 209611), (263, 78106), (526, 39053), (797, 25774), (1594, 12887), (1841, 11158), (3682, 5579)]