20285380

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17191}}^1$

素因数の和:17259

約数の個数: 24

約数和(自身を含む): 43323840

約数和(自身を除く): 23038460

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 17191, 34382, 68764, 85955, 171910, 343820, 1014269, 2028538, 4057076, 5071345, 10142690, 20285380]

約数ペア:

[(1, 20285380), (2, 10142690), (4, 5071345), (5, 4057076), (10, 2028538), (20, 1014269), (59, 343820), (118, 171910), (236, 85955), (295, 68764), (590, 34382), (1180, 17191)]