20199775696

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30792341}}^1$

素因数の和:30792390

約数の個数: 20

約数和(自身を含む): 40091629284

約数和(自身を除く): 19891853588

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30792341, 61584682, 123169364, 246338728, 492677456, 1262485981, 2524971962, 5049943924, 10099887848, 20199775696]

約数ペア:

[(1, 20199775696), (2, 10099887848), (4, 5049943924), (8, 2524971962), (16, 1262485981), (41, 492677456), (82, 246338728), (164, 123169364), (328, 61584682), (656, 30792341)]