20267405

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{881}}^1$

素因数の和:1036

約数の個数: 16

約数和(自身を含む): 25147584

約数和(自身を除く): 4880179

約数列:

[1, 5, 43, 107, 215, 535, 881, 4405, 4601, 23005, 37883, 94267, 189415, 471335, 4053481, 20267405]

約数ペア:

[(1, 20267405), (5, 4053481), (43, 471335), (107, 189415), (215, 94267), (535, 37883), (881, 23005), (4405, 4601)]