20888164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{727}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 39993408

約数和(自身を除く): 19105244

約数列:

[1, 2, 4, 11, 22, 44, 653, 727, 1306, 1454, 2612, 2908, 7183, 7997, 14366, 15994, 28732, 31988, 474731, 949462, 1898924, 5222041, 10444082, 20888164]

約数ペア:

[(1, 20888164), (2, 10444082), (4, 5222041), (11, 1898924), (22, 949462), (44, 474731), (653, 31988), (727, 28732), (1306, 15994), (1454, 14366), (2612, 7997), (2908, 7183)]