20284190

素因数分解:

$2^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{2089}}^1$

素因数の和:3067

約数の個数: 16

約数和(自身を含む): 36566640

約数和(自身を除く): 16282450

約数列:

[1, 2, 5, 10, 971, 1942, 2089, 4178, 4855, 9710, 10445, 20890, 2028419, 4056838, 10142095, 20284190]

約数ペア:

[(1, 20284190), (2, 10142095), (5, 4056838), (10, 2028419), (971, 20890), (1942, 10445), (2089, 9710), (4178, 4855)]