20508717218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1439}}^1\times {\mathrm{647821}}^1$

素因数の和:649273

約数の個数: 16

約数和(自身を含む): 33583092480

約数和(自身を除く): 13074375262

約数列:

[1, 2, 11, 22, 1439, 2878, 15829, 31658, 647821, 1295642, 7126031, 14252062, 932214419, 1864428838, 10254358609, 20508717218]

約数ペア:

[(1, 20508717218), (2, 10254358609), (11, 1864428838), (22, 932214419), (1439, 14252062), (2878, 7126031), (15829, 1295642), (31658, 647821)]