20677324

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{503}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 16578356

約数列:

[1, 2, 4, 43, 86, 172, 239, 478, 503, 956, 1006, 2012, 10277, 20554, 21629, 41108, 43258, 86516, 120217, 240434, 480868, 5169331, 10338662, 20677324]

約数ペア:

[(1, 20677324), (2, 10338662), (4, 5169331), (43, 480868), (86, 240434), (172, 120217), (239, 86516), (478, 43258), (503, 41108), (956, 21629), (1006, 20554), (2012, 10277)]