2011051820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1211477}}^1$

素因数の和:1211569

約数の個数: 24

約数和(自身を含む): 4274094384

約数和(自身を除く): 2263042564

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 1211477, 2422954, 4845908, 6057385, 12114770, 24229540, 100552591, 201105182, 402210364, 502762955, 1005525910, 2011051820]

約数ペア:

[(1, 2011051820), (2, 1005525910), (4, 502762955), (5, 402210364), (10, 201105182), (20, 100552591), (83, 24229540), (166, 12114770), (332, 6057385), (415, 4845908), (830, 2422954), (1660, 1211477)]