20041380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111341}}^1$

素因数の和:111356

約数の個数: 36

約数和(自身を含む): 60792732

約数和(自身を除く): 40751352

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111341, 222682, 334023, 445364, 556705, 668046, 1002069, 1113410, 1336092, 1670115, 2004138, 2226820, 3340230, 4008276, 5010345, 6680460, 10020690, 20041380]

約数ペア:

[(1, 20041380), (2, 10020690), (3, 6680460), (4, 5010345), (5, 4008276), (6, 3340230), (9, 2226820), (10, 2004138), (12, 1670115), (15, 1336092), (18, 1113410), (20, 1002069), (30, 668046), (36, 556705), (45, 445364), (60, 334023), (90, 222682), (180, 111341)]