20404552

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8887}}^1$

素因数の和:8941

約数の個数: 32

約数和(自身を含む): 44795520

約数和(自身を除く): 24390968

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8887, 17774, 35548, 62209, 71096, 124418, 248836, 364367, 497672, 728734, 1457468, 2550569, 2914936, 5101138, 10202276, 20404552]

約数ペア:

[(1, 20404552), (2, 10202276), (4, 5101138), (7, 2914936), (8, 2550569), (14, 1457468), (28, 728734), (41, 497672), (56, 364367), (82, 248836), (164, 124418), (287, 71096), (328, 62209), (574, 35548), (1148, 17774), (2296, 8887)]