20549885

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 25287552

約数和(自身を除く): 4737667

約数列:

[1, 5, 71, 107, 355, 535, 541, 2705, 7597, 37985, 38411, 57887, 192055, 289435, 4109977, 20549885]

約数ペア:

[(1, 20549885), (5, 4109977), (71, 289435), (107, 192055), (355, 57887), (535, 38411), (541, 37985), (2705, 7597)]