20194396280

素因数分解:

$2^3\times 5^1\times {\mathrm{504859907}}^1$

素因数の和:504859918

約数の個数: 16

約数和(自身を含む): 45437391720

約数和(自身を除く): 25242995440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504859907, 1009719814, 2019439628, 2524299535, 4038879256, 5048599070, 10097198140, 20194396280]

約数ペア:

[(1, 20194396280), (2, 10097198140), (4, 5048599070), (5, 4038879256), (8, 2524299535), (10, 2019439628), (20, 1009719814), (40, 504859907)]