20913208

素因数分解:

$2^3\times {\mathrm{1097}}^1\times {\mathrm{2383}}^1$

素因数の和:3486

約数の個数: 16

約数和(自身を含む): 39264480

約数和(自身を除く): 18351272

約数列:

[1, 2, 4, 8, 1097, 2194, 2383, 4388, 4766, 8776, 9532, 19064, 2614151, 5228302, 10456604, 20913208]

約数ペア:

[(1, 20913208), (2, 10456604), (4, 5228302), (8, 2614151), (1097, 19064), (2194, 9532), (2383, 8776), (4388, 4766)]