20049540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47737}}^1$

素因数の和:47756

約数の個数: 48

約数和(自身を含む): 64159872

約数和(自身を除く): 44110332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47737, 95474, 143211, 190948, 238685, 286422, 334159, 477370, 572844, 668318, 716055, 954740, 1002477, 1336636, 1432110, 1670795, 2004954, 2864220, 3341590, 4009908, 5012385, 6683180, 10024770, 20049540]

約数ペア:

[(1, 20049540), (2, 10024770), (3, 6683180), (4, 5012385), (5, 4009908), (6, 3341590), (7, 2864220), (10, 2004954), (12, 1670795), (14, 1432110), (15, 1336636), (20, 1002477), (21, 954740), (28, 716055), (30, 668318), (35, 572844), (42, 477370), (60, 334159), (70, 286422), (84, 238685), (105, 190948), (140, 143211), (210, 95474), (420, 47737)]