20996508

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134593}}^1$

素因数の和:134613

約数の個数: 24

約数和(自身を含む): 52760848

約数和(自身を除く): 31764340

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134593, 269186, 403779, 538372, 807558, 1615116, 1749709, 3499418, 5249127, 6998836, 10498254, 20996508]

約数ペア:

[(1, 20996508), (2, 10498254), (3, 6998836), (4, 5249127), (6, 3499418), (12, 1749709), (13, 1615116), (26, 807558), (39, 538372), (52, 403779), (78, 269186), (156, 134593)]