20494045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28663}}^1$

素因数の和:28692

約数の個数: 16

約数和(自身を含む): 28893312

約数和(自身を除く): 8399267

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28663, 143315, 315293, 372619, 1576465, 1863095, 4098809, 20494045]

約数ペア:

[(1, 20494045), (5, 4098809), (11, 1863095), (13, 1576465), (55, 372619), (65, 315293), (143, 143315), (715, 28663)]