20806072

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4703}}^1$

素因数の和:4795

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 24352328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4703, 9406, 18812, 32921, 37624, 65842, 131684, 263368, 371537, 743074, 1486148, 2600759, 2972296, 5201518, 10403036, 20806072]

約数ペア:

[(1, 20806072), (2, 10403036), (4, 5201518), (7, 2972296), (8, 2600759), (14, 1486148), (28, 743074), (56, 371537), (79, 263368), (158, 131684), (316, 65842), (553, 37624), (632, 32921), (1106, 18812), (2212, 9406), (4424, 4703)]