20983150

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{8929}}^1$

素因数の和:8988

約数の個数: 24

約数和(自身を含む): 39863520

約数和(自身を除く): 18880370

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 8929, 17858, 44645, 89290, 223225, 419663, 446450, 839326, 2098315, 4196630, 10491575, 20983150]

約数ペア:

[(1, 20983150), (2, 10491575), (5, 4196630), (10, 2098315), (25, 839326), (47, 446450), (50, 419663), (94, 223225), (235, 89290), (470, 44645), (1175, 17858), (2350, 8929)]