20505136

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41341}}^1$

素因数の和:41380

約数の個数: 20

約数和(自身を含む): 41011264

約数和(自身を除く): 20506128

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41341, 82682, 165364, 330728, 661456, 1281571, 2563142, 5126284, 10252568, 20505136]

約数ペア:

[(1, 20505136), (2, 10252568), (4, 5126284), (8, 2563142), (16, 1281571), (31, 661456), (62, 330728), (124, 165364), (248, 82682), (496, 41341)]