20875596

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{967}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 55942656

約数和(自身を除く): 35067060

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257, 514, 771, 967, 1028, 1542, 1799, 1934, 2901, 3084, 3598, 3868, 5397, 5802, 6769, 7196, 10794, 11604, 13538, 20307, 21588, 27076, 40614, 81228, 248519, 497038, 745557, 994076, 1491114, 1739633, 2982228, 3479266, 5218899, 6958532, 10437798, 20875596]

約数ペア:

[(1, 20875596), (2, 10437798), (3, 6958532), (4, 5218899), (6, 3479266), (7, 2982228), (12, 1739633), (14, 1491114), (21, 994076), (28, 745557), (42, 497038), (84, 248519), (257, 81228), (514, 40614), (771, 27076), (967, 21588), (1028, 20307), (1542, 13538), (1799, 11604), (1934, 10794), (2901, 7196), (3084, 6769), (3598, 5802), (3868, 5397)]