19520944

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42071}}^1$

素因数の和:42108

約数の個数: 20

約数和(自身を含む): 39126960

約数和(自身を除く): 19606016

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42071, 84142, 168284, 336568, 673136, 1220059, 2440118, 4880236, 9760472, 19520944]

約数ペア:

[(1, 19520944), (2, 9760472), (4, 4880236), (8, 2440118), (16, 1220059), (29, 673136), (58, 336568), (116, 168284), (232, 84142), (464, 42071)]