20931720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{174431}}^1$

素因数の和:174445

約数の個数: 32

約数和(自身を含む): 62795520

約数和(自身を除く): 41863800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 174431, 348862, 523293, 697724, 872155, 1046586, 1395448, 1744310, 2093172, 2616465, 3488620, 4186344, 5232930, 6977240, 10465860, 20931720]

約数ペア:

[(1, 20931720), (2, 10465860), (3, 6977240), (4, 5232930), (5, 4186344), (6, 3488620), (8, 2616465), (10, 2093172), (12, 1744310), (15, 1395448), (20, 1046586), (24, 872155), (30, 697724), (40, 523293), (60, 348862), (120, 174431)]