20589225

素因数分解:

$3^1\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1013}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 34200192

約数和(自身を除く): 13610967

約数列:

[1, 3, 5, 15, 25, 75, 271, 813, 1013, 1355, 3039, 4065, 5065, 6775, 15195, 20325, 25325, 75975, 274523, 823569, 1372615, 4117845, 6863075, 20589225]

約数ペア:

[(1, 20589225), (3, 6863075), (5, 4117845), (15, 1372615), (25, 823569), (75, 274523), (271, 75975), (813, 25325), (1013, 20325), (1355, 15195), (3039, 6775), (4065, 5065)]