20210756

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15643}}^1$

素因数の和:15683

約数の個数: 24

約数和(自身を含む): 39422880

約数和(自身を除く): 19212124

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 15643, 31286, 62572, 265931, 297217, 531862, 594434, 1063724, 1188868, 5052689, 10105378, 20210756]

約数ペア:

[(1, 20210756), (2, 10105378), (4, 5052689), (17, 1188868), (19, 1063724), (34, 594434), (38, 531862), (68, 297217), (76, 265931), (323, 62572), (646, 31286), (1292, 15643)]