20208304

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17789}}^1$

素因数の和:17868

約数の個数: 20

約数和(自身を含む): 39707280

約数和(自身を除く): 19498976

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17789, 35578, 71156, 142312, 284624, 1263019, 2526038, 5052076, 10104152, 20208304]

約数ペア:

[(1, 20208304), (2, 10104152), (4, 5052076), (8, 2526038), (16, 1263019), (71, 284624), (142, 142312), (284, 71156), (568, 35578), (1136, 17789)]