20490420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{341507}}^1$

素因数の和:341519

約数の個数: 24

約数和(自身を含む): 57373344

約数和(自身を除く): 36882924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 341507, 683014, 1024521, 1366028, 1707535, 2049042, 3415070, 4098084, 5122605, 6830140, 10245210, 20490420]

約数ペア:

[(1, 20490420), (2, 10245210), (3, 6830140), (4, 5122605), (5, 4098084), (6, 3415070), (10, 2049042), (12, 1707535), (15, 1366028), (20, 1024521), (30, 683014), (60, 341507)]