20009981456

素因数分解:

$2^4\times {\mathrm{24691}}^1\times {\mathrm{50651}}^1$

素因数の和:75350

約数の個数: 20

約数和(自身を含む): 38771674704

約数和(自身を除く): 18761693248

約数列:

[1, 2, 4, 8, 16, 24691, 49382, 50651, 98764, 101302, 197528, 202604, 395056, 405208, 810416, 1250623841, 2501247682, 5002495364, 10004990728, 20009981456]

約数ペア:

[(1, 20009981456), (2, 10004990728), (4, 5002495364), (8, 2501247682), (16, 1250623841), (24691, 810416), (49382, 405208), (50651, 395056), (98764, 202604), (101302, 197528)]