20178068476

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1190587}}^1$

素因数の和:1190833

約数の個数: 24

約数和(自身を含む): 37336839680

約数和(自身を除く): 17158771204

約数列:

[1, 2, 4, 19, 38, 76, 223, 446, 892, 4237, 8474, 16948, 1190587, 2381174, 4762348, 22621153, 45242306, 90484612, 265500901, 531001802, 1062003604, 5044517119, 10089034238, 20178068476]

約数ペア:

[(1, 20178068476), (2, 10089034238), (4, 5044517119), (19, 1062003604), (38, 531001802), (76, 265500901), (223, 90484612), (446, 45242306), (892, 22621153), (4237, 4762348), (8474, 2381174), (16948, 1190587)]