20888364

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1789}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 56134400

約数和(自身を除く): 35246036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 278, 417, 556, 834, 973, 1668, 1789, 1946, 2919, 3578, 3892, 5367, 5838, 7156, 10734, 11676, 12523, 21468, 25046, 37569, 50092, 75138, 150276, 248671, 497342, 746013, 994684, 1492026, 1740697, 2984052, 3481394, 5222091, 6962788, 10444182, 20888364]

約数ペア:

[(1, 20888364), (2, 10444182), (3, 6962788), (4, 5222091), (6, 3481394), (7, 2984052), (12, 1740697), (14, 1492026), (21, 994684), (28, 746013), (42, 497342), (84, 248671), (139, 150276), (278, 75138), (417, 50092), (556, 37569), (834, 25046), (973, 21468), (1668, 12523), (1789, 11676), (1946, 10734), (2919, 7156), (3578, 5838), (3892, 5367)]