20559824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67631}}^1$

素因数の和:67658

約数の個数: 20

約数和(自身を含む): 41931840

約数和(自身を除く): 21372016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67631, 135262, 270524, 541048, 1082096, 1284989, 2569978, 5139956, 10279912, 20559824]

約数ペア:

[(1, 20559824), (2, 10279912), (4, 5139956), (8, 2569978), (16, 1284989), (19, 1082096), (38, 541048), (76, 270524), (152, 135262), (304, 67631)]