20111255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1061}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 25691904

約数和(自身を除く): 5580649

約数列:

[1, 5, 17, 85, 223, 1061, 1115, 3791, 5305, 18037, 18955, 90185, 236603, 1183015, 4022251, 20111255]

約数ペア:

[(1, 20111255), (5, 4022251), (17, 1183015), (85, 236603), (223, 90185), (1061, 18955), (1115, 18037), (3791, 5305)]