20970420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349507}}^1$

素因数の和:349519

約数の個数: 24

約数和(自身を含む): 58717344

約数和(自身を除く): 37746924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349507, 699014, 1048521, 1398028, 1747535, 2097042, 3495070, 4194084, 5242605, 6990140, 10485210, 20970420]

約数ペア:

[(1, 20970420), (2, 10485210), (3, 6990140), (4, 5242605), (5, 4194084), (6, 3495070), (10, 2097042), (12, 1747535), (15, 1398028), (20, 1048521), (30, 699014), (60, 349507)]