20879925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25309}}^1$

素因数の和:25333

約数の個数: 24

約数和(自身を含む): 37661280

約数和(自身を除く): 16781355

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 25309, 75927, 126545, 278399, 379635, 632725, 835197, 1391995, 1898175, 4175985, 6959975, 20879925]

約数ペア:

[(1, 20879925), (3, 6959975), (5, 4175985), (11, 1898175), (15, 1391995), (25, 835197), (33, 632725), (55, 379635), (75, 278399), (165, 126545), (275, 75927), (825, 25309)]