20846672

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16921}}^1$

素因数の和:16947

約数の個数: 40

約数和(自身を含む): 50359872

約数和(自身を除く): 29513200

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16921, 33842, 67684, 118447, 135368, 186131, 236894, 270736, 372262, 473788, 744524, 947576, 1302917, 1489048, 1895152, 2605834, 2978096, 5211668, 10423336, 20846672]

約数ペア:

[(1, 20846672), (2, 10423336), (4, 5211668), (7, 2978096), (8, 2605834), (11, 1895152), (14, 1489048), (16, 1302917), (22, 947576), (28, 744524), (44, 473788), (56, 372262), (77, 270736), (88, 236894), (112, 186131), (154, 135368), (176, 118447), (308, 67684), (616, 33842), (1232, 16921)]