20616840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57269}}^1$

素因数の和:57286

約数の個数: 48

約数和(自身を含む): 67005900

約数和(自身を除く): 46389060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57269, 114538, 171807, 229076, 286345, 343614, 458152, 515421, 572690, 687228, 859035, 1030842, 1145380, 1374456, 1718070, 2061684, 2290760, 2577105, 3436140, 4123368, 5154210, 6872280, 10308420, 20616840]

約数ペア:

[(1, 20616840), (2, 10308420), (3, 6872280), (4, 5154210), (5, 4123368), (6, 3436140), (8, 2577105), (9, 2290760), (10, 2061684), (12, 1718070), (15, 1374456), (18, 1145380), (20, 1030842), (24, 859035), (30, 687228), (36, 572690), (40, 515421), (45, 458152), (60, 343614), (72, 286345), (90, 229076), (120, 171807), (180, 114538), (360, 57269)]