20485904

素因数分解:

$2^4\times {\mathrm{383}}^1\times {\mathrm{3343}}^1$

素因数の和:3734

約数の個数: 20

約数和(自身を含む): 39806976

約数和(自身を除く): 19321072

約数列:

[1, 2, 4, 8, 16, 383, 766, 1532, 3064, 3343, 6128, 6686, 13372, 26744, 53488, 1280369, 2560738, 5121476, 10242952, 20485904]

約数ペア:

[(1, 20485904), (2, 10242952), (4, 5121476), (8, 2560738), (16, 1280369), (383, 53488), (766, 26744), (1532, 13372), (3064, 6686), (3343, 6128)]