20877238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{23887}}^1$

素因数の和:23931

約数の個数: 16

約数和(自身を含む): 34398720

約数和(自身を除く): 13521482

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 23887, 47774, 453853, 549401, 907706, 1098802, 10438619, 20877238]

約数ペア:

[(1, 20877238), (2, 10438619), (19, 1098802), (23, 907706), (38, 549401), (46, 453853), (437, 47774), (874, 23887)]