20488016

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{2971}}^1$

素因数の和:3410

約数の個数: 20

約数和(自身を含む): 39801024

約数和(自身を除く): 19313008

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 2971, 3448, 5942, 6896, 11884, 23768, 47536, 1280501, 2561002, 5122004, 10244008, 20488016]

約数ペア:

[(1, 20488016), (2, 10244008), (4, 5122004), (8, 2561002), (16, 1280501), (431, 47536), (862, 23768), (1724, 11884), (2971, 6896), (3448, 5942)]