13869140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9767}}^1$

素因数の和:9847

約数の個数: 24

約数和(自身を含む): 29538432

約数和(自身を除く): 15669292

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9767, 19534, 39068, 48835, 97670, 195340, 693457, 1386914, 2773828, 3467285, 6934570, 13869140]

約数ペア:

[(1, 13869140), (2, 6934570), (4, 3467285), (5, 2773828), (10, 1386914), (20, 693457), (71, 195340), (142, 97670), (284, 48835), (355, 39068), (710, 19534), (1420, 9767)]