20181104

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29333}}^1$

素因数の和:29384

約数の個数: 20

約数和(自身を含む): 40011576

約数和(自身を除く): 19830472

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29333, 58666, 117332, 234664, 469328, 1261319, 2522638, 5045276, 10090552, 20181104]

約数ペア:

[(1, 20181104), (2, 10090552), (4, 5045276), (8, 2522638), (16, 1261319), (43, 469328), (86, 234664), (172, 117332), (344, 58666), (688, 29333)]