20120804025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{891287}}^1$

素因数の和:891350

約数の個数: 48

約数和(自身を含む): 38902938624

約数和(自身を除く): 18782134599

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 645, 903, 1075, 1505, 3225, 4515, 7525, 22575, 891287, 2673861, 4456435, 6239009, 13369305, 18717027, 22282175, 31195045, 38325341, 66846525, 93585135, 114976023, 155975225, 191626705, 268277387, 467925675, 574880115, 804832161, 958133525, 1341386935, 2874400575, 4024160805, 6706934675, 20120804025]

約数ペア:

[(1, 20120804025), (3, 6706934675), (5, 4024160805), (7, 2874400575), (15, 1341386935), (21, 958133525), (25, 804832161), (35, 574880115), (43, 467925675), (75, 268277387), (105, 191626705), (129, 155975225), (175, 114976023), (215, 93585135), (301, 66846525), (525, 38325341), (645, 31195045), (903, 22282175), (1075, 18717027), (1505, 13369305), (3225, 6239009), (4515, 4456435), (7525, 2673861), (22575, 891287)]