20398832

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43963}}^1$

素因数の和:44000

約数の個数: 20

約数和(自身を含む): 40886520

約数和(自身を除く): 20487688

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43963, 87926, 175852, 351704, 703408, 1274927, 2549854, 5099708, 10199416, 20398832]

約数ペア:

[(1, 20398832), (2, 10199416), (4, 5099708), (8, 2549854), (16, 1274927), (29, 703408), (58, 351704), (116, 175852), (232, 87926), (464, 43963)]