19786620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47111}}^1$

素因数の和:47130

約数の個数: 48

約数和(自身を含む): 63318528

約数和(自身を除く): 43531908

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, 47111, 94222, 141333, 188444, 235555, 282666, 329777, 471110, 565332, 659554, 706665, 942220, 989331, 1319108, 1413330, 1648885, 1978662, 2826660, 3297770, 3957324, 4946655, 6595540, 9893310, 19786620]

約数ペア:

[(1, 19786620), (2, 9893310), (3, 6595540), (4, 4946655), (5, 3957324), (6, 3297770), (7, 2826660), (10, 1978662), (12, 1648885), (14, 1413330), (15, 1319108), (20, 989331), (21, 942220), (28, 706665), (30, 659554), (35, 565332), (42, 471110), (60, 329777), (70, 282666), (84, 235555), (105, 188444), (140, 141333), (210, 94222), (420, 47111)]