20052340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 54432000

約数和(自身を除く): 34379660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 55, 58, 70, 77, 110, 116, 140, 145, 154, 203, 220, 290, 308, 319, 385, 406, 449, 580, 638, 770, 812, 898, 1015, 1276, 1540, 1595, 1796, 2030, 2233, 2245, 3143, 3190, 4060, 4466, 4490, 4939, 6286, 6380, 8932, 8980, 9878, 11165, 12572, 13021, 15715, 19756, 22330, 24695, 26042, 31430, 34573, 44660, 49390, 52084, 62860, 65105, 69146, 91147, 98780, 130210, 138292, 143231, 172865, 182294, 260420, 286462, 345730, 364588, 455735, 572924, 691460, 716155, 911470, 1002617, 1432310, 1822940, 2005234, 2864620, 4010468, 5013085, 10026170, 20052340]

約数ペア:

[(1, 20052340), (2, 10026170), (4, 5013085), (5, 4010468), (7, 2864620), (10, 2005234), (11, 1822940), (14, 1432310), (20, 1002617), (22, 911470), (28, 716155), (29, 691460), (35, 572924), (44, 455735), (55, 364588), (58, 345730), (70, 286462), (77, 260420), (110, 182294), (116, 172865), (140, 143231), (145, 138292), (154, 130210), (203, 98780), (220, 91147), (290, 69146), (308, 65105), (319, 62860), (385, 52084), (406, 49390), (449, 44660), (580, 34573), (638, 31430), (770, 26042), (812, 24695), (898, 22330), (1015, 19756), (1276, 15715), (1540, 13021), (1595, 12572), (1796, 11165), (2030, 9878), (2233, 8980), (2245, 8932), (3143, 6380), (3190, 6286), (4060, 4939), (4466, 4490)]