20172568905

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{863}}^1$

素因数の和:1151

約数の個数: 96

約数和(自身を含む): 36569594880

約数和(自身を除く): 16397025975

約数列:

[1, 3, 5, 9, 15, 37, 45, 101, 111, 139, 185, 303, 333, 417, 505, 555, 695, 863, 909, 1251, 1515, 1665, 2085, 2589, 3737, 4315, 4545, 5143, 6255, 7767, 11211, 12945, 14039, 15429, 18685, 25715, 31931, 33633, 38835, 42117, 46287, 56055, 70195, 77145, 87163, 95793, 119957, 126351, 159655, 168165, 210585, 231435, 261489, 287379, 359871, 435815, 478965, 519443, 599785, 631755, 784467, 1079613, 1307445, 1436895, 1558329, 1799355, 2597215, 3225031, 3922335, 4438409, 4674987, 5398065, 7791645, 9675093, 12115657, 13315227, 16125155, 22192045, 23374935, 29025279, 36346971, 39945681, 48375465, 60578285, 66576135, 109040913, 145126395, 181734855, 199728405, 448279309, 545204565, 1344837927, 2241396545, 4034513781, 6724189635, 20172568905]

約数ペア:

[(1, 20172568905), (3, 6724189635), (5, 4034513781), (9, 2241396545), (15, 1344837927), (37, 545204565), (45, 448279309), (101, 199728405), (111, 181734855), (139, 145126395), (185, 109040913), (303, 66576135), (333, 60578285), (417, 48375465), (505, 39945681), (555, 36346971), (695, 29025279), (863, 23374935), (909, 22192045), (1251, 16125155), (1515, 13315227), (1665, 12115657), (2085, 9675093), (2589, 7791645), (3737, 5398065), (4315, 4674987), (4545, 4438409), (5143, 3922335), (6255, 3225031), (7767, 2597215), (11211, 1799355), (12945, 1558329), (14039, 1436895), (15429, 1307445), (18685, 1079613), (25715, 784467), (31931, 631755), (33633, 599785), (38835, 519443), (42117, 478965), (46287, 435815), (56055, 359871), (70195, 287379), (77145, 261489), (87163, 231435), (95793, 210585), (119957, 168165), (126351, 159655)]