20296885120

素因数分解:

$2^7\times 5^1\times {\mathrm{31713883}}^1$

素因数の和:31713902

約数の個数: 32

約数和(自身を含む): 48522242520

約数和(自身を除く): 28225357400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31713883, 63427766, 126855532, 158569415, 253711064, 317138830, 507422128, 634277660, 1014844256, 1268555320, 2029688512, 2537110640, 4059377024, 5074221280, 10148442560, 20296885120]

約数ペア:

[(1, 20296885120), (2, 10148442560), (4, 5074221280), (5, 4059377024), (8, 2537110640), (10, 2029688512), (16, 1268555320), (20, 1014844256), (32, 634277660), (40, 507422128), (64, 317138830), (80, 253711064), (128, 158569415), (160, 126855532), (320, 63427766), (640, 31713883)]