20996949540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49992737}}^1$

素因数の和:49992756

約数の個数: 48

約数和(自身を含む): 67190239872

約数和(自身を除く): 46193290332

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, 49992737, 99985474, 149978211, 199970948, 249963685, 299956422, 349949159, 499927370, 599912844, 699898318, 749891055, 999854740, 1049847477, 1399796636, 1499782110, 1749745795, 2099694954, 2999564220, 3499491590, 4199389908, 5249237385, 6998983180, 10498474770, 20996949540]

約数ペア:

[(1, 20996949540), (2, 10498474770), (3, 6998983180), (4, 5249237385), (5, 4199389908), (6, 3499491590), (7, 2999564220), (10, 2099694954), (12, 1749745795), (14, 1499782110), (15, 1399796636), (20, 1049847477), (21, 999854740), (28, 749891055), (30, 699898318), (35, 599912844), (42, 499927370), (60, 349949159), (70, 299956422), (84, 249963685), (105, 199970948), (140, 149978211), (210, 99985474), (420, 49992737)]