20249985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27551}}^1$

素因数の和:27573

約数の個数: 24

約数和(自身を含む): 37691136

約数和(自身を除く): 17441151

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27551, 82653, 137755, 192857, 413265, 578571, 964285, 1349999, 2892855, 4049997, 6749995, 20249985]

約数ペア:

[(1, 20249985), (3, 6749995), (5, 4049997), (7, 2892855), (15, 1349999), (21, 964285), (35, 578571), (49, 413265), (105, 192857), (147, 137755), (245, 82653), (735, 27551)]