20950768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68917}}^1$

素因数の和:68944

約数の個数: 20

約数和(自身を含む): 42729160

約数和(自身を除く): 21778392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68917, 137834, 275668, 551336, 1102672, 1309423, 2618846, 5237692, 10475384, 20950768]

約数ペア:

[(1, 20950768), (2, 10475384), (4, 5237692), (8, 2618846), (16, 1309423), (19, 1102672), (38, 551336), (76, 275668), (152, 137834), (304, 68917)]