20713182

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1499}}^1$

素因数の和:1565

約数の個数: 48

約数和(自身を含む): 49248000

約数和(自身を除く): 28534818

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 49, 94, 98, 141, 147, 282, 294, 329, 658, 987, 1499, 1974, 2303, 2998, 4497, 4606, 6909, 8994, 10493, 13818, 20986, 31479, 62958, 70453, 73451, 140906, 146902, 211359, 220353, 422718, 440706, 493171, 986342, 1479513, 2959026, 3452197, 6904394, 10356591, 20713182]

約数ペア:

[(1, 20713182), (2, 10356591), (3, 6904394), (6, 3452197), (7, 2959026), (14, 1479513), (21, 986342), (42, 493171), (47, 440706), (49, 422718), (94, 220353), (98, 211359), (141, 146902), (147, 140906), (282, 73451), (294, 70453), (329, 62958), (658, 31479), (987, 20986), (1499, 13818), (1974, 10493), (2303, 8994), (2998, 6909), (4497, 4606)]