20565456

素因数分解:

$2^4\times 3^1\times {\mathrm{199}}^1\times {\mathrm{2153}}^1$

素因数の和:2363

約数の個数: 40

約数和(自身を含む): 53419200

約数和(自身を除く): 32853744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 199, 398, 597, 796, 1194, 1592, 2153, 2388, 3184, 4306, 4776, 6459, 8612, 9552, 12918, 17224, 25836, 34448, 51672, 103344, 428447, 856894, 1285341, 1713788, 2570682, 3427576, 5141364, 6855152, 10282728, 20565456]

約数ペア:

[(1, 20565456), (2, 10282728), (3, 6855152), (4, 5141364), (6, 3427576), (8, 2570682), (12, 1713788), (16, 1285341), (24, 856894), (48, 428447), (199, 103344), (398, 51672), (597, 34448), (796, 25836), (1194, 17224), (1592, 12918), (2153, 9552), (2388, 8612), (3184, 6459), (4306, 4776)]