20325780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112921}}^1$

素因数の和:112936

約数の個数: 36

約数和(自身を含む): 61655412

約数和(自身を除く): 41329632

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112921, 225842, 338763, 451684, 564605, 677526, 1016289, 1129210, 1355052, 1693815, 2032578, 2258420, 3387630, 4065156, 5081445, 6775260, 10162890, 20325780]

約数ペア:

[(1, 20325780), (2, 10162890), (3, 6775260), (4, 5081445), (5, 4065156), (6, 3387630), (9, 2258420), (10, 2032578), (12, 1693815), (15, 1355052), (18, 1129210), (20, 1016289), (30, 677526), (36, 564605), (45, 451684), (60, 338763), (90, 225842), (180, 112921)]