20556088

素因数分解:

$2^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 25408712

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 82, 98, 164, 196, 287, 328, 392, 574, 1148, 1279, 2009, 2296, 2558, 4018, 5116, 8036, 8953, 10232, 16072, 17906, 35812, 52439, 62671, 71624, 104878, 125342, 209756, 250684, 367073, 419512, 501368, 734146, 1468292, 2569511, 2936584, 5139022, 10278044, 20556088]

約数ペア:

[(1, 20556088), (2, 10278044), (4, 5139022), (7, 2936584), (8, 2569511), (14, 1468292), (28, 734146), (41, 501368), (49, 419512), (56, 367073), (82, 250684), (98, 209756), (164, 125342), (196, 104878), (287, 71624), (328, 62671), (392, 52439), (574, 35812), (1148, 17906), (1279, 16072), (2009, 10232), (2296, 8953), (2558, 8036), (4018, 5116)]