22389140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15767}}^1$

素因数の和:15847

約数の個数: 24

約数和(自身を含む): 47682432

約数和(自身を除く): 25293292

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15767, 31534, 63068, 78835, 157670, 315340, 1119457, 2238914, 4477828, 5597285, 11194570, 22389140]

約数ペア:

[(1, 22389140), (2, 11194570), (4, 5597285), (5, 4477828), (10, 2238914), (20, 1119457), (71, 315340), (142, 157670), (284, 78835), (355, 63068), (710, 31534), (1420, 15767)]