2016979180

素因数分解:

$2^2\times 5^1\times {\mathrm{2357}}^1\times {\mathrm{42787}}^1$

素因数の和:45153

約数の個数: 24

約数和(自身を含む): 4237552368

約数和(自身を除く): 2220573188

約数列:

[1, 2, 4, 5, 10, 20, 2357, 4714, 9428, 11785, 23570, 42787, 47140, 85574, 171148, 213935, 427870, 855740, 100848959, 201697918, 403395836, 504244795, 1008489590, 2016979180]

約数ペア:

[(1, 2016979180), (2, 1008489590), (4, 504244795), (5, 403395836), (10, 201697918), (20, 100848959), (2357, 855740), (4714, 427870), (9428, 213935), (11785, 171148), (23570, 85574), (42787, 47140)]