20548052

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2616

約数の個数: 36

約数和(自身を含む): 42866964

約数和(自身を除く): 22318912

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 2557, 4018, 5114, 8036, 10228, 17899, 35798, 71596, 104837, 125293, 209674, 250586, 419348, 501172, 733859, 1467718, 2935436, 5137013, 10274026, 20548052]

約数ペア:

[(1, 20548052), (2, 10274026), (4, 5137013), (7, 2935436), (14, 1467718), (28, 733859), (41, 501172), (49, 419348), (82, 250586), (98, 209674), (164, 125293), (196, 104837), (287, 71596), (574, 35798), (1148, 17899), (2009, 10228), (2557, 8036), (4018, 5114)]