20404768305

素因数分解:

$3^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1918643}}^1$

素因数の和:1919360

約数の個数: 16

約数和(自身を含む): 32693693760

約数和(自身を除く): 12288925455

約数列:

[1, 3, 5, 15, 709, 2127, 3545, 10635, 1918643, 5755929, 9593215, 28779645, 1360317887, 4080953661, 6801589435, 20404768305]

約数ペア:

[(1, 20404768305), (3, 6801589435), (5, 4080953661), (15, 1360317887), (709, 28779645), (2127, 9593215), (3545, 5755929), (10635, 1918643)]