20757424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68281}}^1$

素因数の和:68308

約数の個数: 20

約数和(自身を含む): 42334840

約数和(自身を除く): 21577416

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68281, 136562, 273124, 546248, 1092496, 1297339, 2594678, 5189356, 10378712, 20757424]

約数ペア:

[(1, 20757424), (2, 10378712), (4, 5189356), (8, 2594678), (16, 1297339), (19, 1092496), (38, 546248), (76, 273124), (152, 136562), (304, 68281)]