20247945465

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{16831}}^1$

素因数の和:17190

約数の個数: 64

約数和(自身を含む): 36997005312

約数和(自身を除く): 16749059847

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 317, 345, 759, 951, 1265, 1585, 3487, 3795, 4755, 7291, 10461, 16831, 17435, 21873, 36455, 50493, 52305, 80201, 84155, 109365, 185141, 240603, 252465, 387113, 401005, 555423, 925705, 1161339, 1203015, 1935565, 2777115, 4258243, 5335427, 5806695, 12774729, 16006281, 21291215, 26677135, 58689697, 63873645, 80031405, 122714821, 176069091, 293448485, 368144463, 613574105, 880345455, 1349863031, 1840722315, 4049589093, 6749315155, 20247945465]

約数ペア:

[(1, 20247945465), (3, 6749315155), (5, 4049589093), (11, 1840722315), (15, 1349863031), (23, 880345455), (33, 613574105), (55, 368144463), (69, 293448485), (115, 176069091), (165, 122714821), (253, 80031405), (317, 63873645), (345, 58689697), (759, 26677135), (951, 21291215), (1265, 16006281), (1585, 12774729), (3487, 5806695), (3795, 5335427), (4755, 4258243), (7291, 2777115), (10461, 1935565), (16831, 1203015), (17435, 1161339), (21873, 925705), (36455, 555423), (50493, 401005), (52305, 387113), (80201, 252465), (84155, 240603), (109365, 185141)]