20348675

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 26974464

約数和(自身を除く): 6625789

約数列:

[1, 5, 23, 25, 43, 115, 215, 575, 823, 989, 1075, 4115, 4945, 18929, 20575, 24725, 35389, 94645, 176945, 473225, 813947, 884725, 4069735, 20348675]

約数ペア:

[(1, 20348675), (5, 4069735), (23, 884725), (25, 813947), (43, 473225), (115, 176945), (215, 94645), (575, 35389), (823, 24725), (989, 20575), (1075, 18929), (4115, 4945)]