20078072

素因数分解:

$2^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2003}}^1$

素因数の和:2195

約数の個数: 32

約数和(自身を含む): 43286400

約数和(自身を除く): 23208328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 179, 358, 716, 1253, 1432, 2003, 2506, 4006, 5012, 8012, 10024, 14021, 16024, 28042, 56084, 112168, 358537, 717074, 1434148, 2509759, 2868296, 5019518, 10039036, 20078072]

約数ペア:

[(1, 20078072), (2, 10039036), (4, 5019518), (7, 2868296), (8, 2509759), (14, 1434148), (28, 717074), (56, 358537), (179, 112168), (358, 56084), (716, 28042), (1253, 16024), (1432, 14021), (2003, 10024), (2506, 8012), (4006, 5012)]