20090520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55807}}^1$

素因数の和:55824

約数の個数: 48

約数和(自身を含む): 65295360

約数和(自身を除く): 45204840

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, 55807, 111614, 167421, 223228, 279035, 334842, 446456, 502263, 558070, 669684, 837105, 1004526, 1116140, 1339368, 1674210, 2009052, 2232280, 2511315, 3348420, 4018104, 5022630, 6696840, 10045260, 20090520]

約数ペア:

[(1, 20090520), (2, 10045260), (3, 6696840), (4, 5022630), (5, 4018104), (6, 3348420), (8, 2511315), (9, 2232280), (10, 2009052), (12, 1674210), (15, 1339368), (18, 1116140), (20, 1004526), (24, 837105), (30, 669684), (36, 558070), (40, 502263), (45, 446456), (60, 334842), (72, 279035), (90, 223228), (120, 167421), (180, 111614), (360, 55807)]