20004925

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{673}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 26326440

約数和(自身を除く): 6321515

約数列:

[1, 5, 25, 29, 41, 145, 205, 673, 725, 1025, 1189, 3365, 5945, 16825, 19517, 27593, 29725, 97585, 137965, 487925, 689825, 800197, 4000985, 20004925]

約数ペア:

[(1, 20004925), (5, 4000985), (25, 800197), (29, 689825), (41, 487925), (145, 137965), (205, 97585), (673, 29725), (725, 27593), (1025, 19517), (1189, 16825), (3365, 5945)]