20028420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111269}}^1$

素因数の和:111284

約数の個数: 36

約数和(自身を含む): 60753420

約数和(自身を除く): 40725000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111269, 222538, 333807, 445076, 556345, 667614, 1001421, 1112690, 1335228, 1669035, 2002842, 2225380, 3338070, 4005684, 5007105, 6676140, 10014210, 20028420]

約数ペア:

[(1, 20028420), (2, 10014210), (3, 6676140), (4, 5007105), (5, 4005684), (6, 3338070), (9, 2225380), (10, 2002842), (12, 1669035), (15, 1335228), (18, 1112690), (20, 1001421), (30, 667614), (36, 556345), (45, 445076), (60, 333807), (90, 222538), (180, 111269)]