204020890

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{434087}}^1$

素因数の和:434141

約数の個数: 16

約数和(自身を含む): 375052032

約数和(自身を除く): 171031142

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 434087, 868174, 2170435, 4340870, 20402089, 40804178, 102010445, 204020890]

約数ペア:

[(1, 204020890), (2, 102010445), (5, 40804178), (10, 20402089), (47, 4340870), (94, 2170435), (235, 868174), (470, 434087)]