20599645

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 27578880

約数和(自身を除く): 6979235

約数列:

[1, 5, 11, 55, 79, 121, 395, 431, 605, 869, 2155, 4345, 4741, 9559, 23705, 34049, 47795, 52151, 170245, 260755, 374539, 1872695, 4119929, 20599645]

約数ペア:

[(1, 20599645), (5, 4119929), (11, 1872695), (55, 374539), (79, 260755), (121, 170245), (395, 52151), (431, 47795), (605, 34049), (869, 23705), (2155, 9559), (4345, 4741)]