20354404

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3581}}^1$

素因数の和:3628

約数の個数: 36

約数和(自身を含む): 42876540

約数和(自身を除く): 22522136

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 3581, 5684, 7162, 14324, 25067, 50134, 100268, 103849, 175469, 207698, 350938, 415396, 701876, 726943, 1453886, 2907772, 5088601, 10177202, 20354404]

約数ペア:

[(1, 20354404), (2, 10177202), (4, 5088601), (7, 2907772), (14, 1453886), (28, 726943), (29, 701876), (49, 415396), (58, 350938), (98, 207698), (116, 175469), (196, 103849), (203, 100268), (406, 50134), (812, 25067), (1421, 14324), (2842, 7162), (3581, 5684)]