20869836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133781}}^1$

素因数の和:133801

約数の個数: 24

約数和(自身を含む): 52442544

約数和(自身を除く): 31572708

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133781, 267562, 401343, 535124, 802686, 1605372, 1739153, 3478306, 5217459, 6956612, 10434918, 20869836]

約数ペア:

[(1, 20869836), (2, 10434918), (3, 6956612), (4, 5217459), (6, 3478306), (12, 1739153), (13, 1605372), (26, 802686), (39, 535124), (52, 401343), (78, 267562), (156, 133781)]