20663524

素因数分解:

$2^2\times 7^1\times {\mathrm{577}}^1\times {\mathrm{1279}}^1$

素因数の和:1867

約数の個数: 24

約数和(自身を含む): 41431040

約数和(自身を除く): 20767516

約数列:

[1, 2, 4, 7, 14, 28, 577, 1154, 1279, 2308, 2558, 4039, 5116, 8078, 8953, 16156, 17906, 35812, 737983, 1475966, 2951932, 5165881, 10331762, 20663524]

約数ペア:

[(1, 20663524), (2, 10331762), (4, 5165881), (7, 2951932), (14, 1475966), (28, 737983), (577, 35812), (1154, 17906), (1279, 16156), (2308, 8953), (2558, 8078), (4039, 5116)]