20039118

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 46835712

約数和(自身を除く): 26796594

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 43, 46, 66, 69, 86, 129, 138, 253, 258, 307, 473, 506, 614, 759, 921, 946, 989, 1419, 1518, 1842, 1978, 2838, 2967, 3377, 5934, 6754, 7061, 10131, 10879, 13201, 14122, 20262, 21183, 21758, 26402, 32637, 39603, 42366, 65274, 77671, 79206, 145211, 155342, 233013, 290422, 303623, 435633, 466026, 607246, 871266, 910869, 1821738, 3339853, 6679706, 10019559, 20039118]

約数ペア:

[(1, 20039118), (2, 10019559), (3, 6679706), (6, 3339853), (11, 1821738), (22, 910869), (23, 871266), (33, 607246), (43, 466026), (46, 435633), (66, 303623), (69, 290422), (86, 233013), (129, 155342), (138, 145211), (253, 79206), (258, 77671), (307, 65274), (473, 42366), (506, 39603), (614, 32637), (759, 26402), (921, 21758), (946, 21183), (989, 20262), (1419, 14122), (1518, 13201), (1842, 10879), (1978, 10131), (2838, 7061), (2967, 6754), (3377, 5934)]