20738456

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2749}}^1$

素因数の和:2819

約数の個数: 32

約数和(自身を含む): 41580000

約数和(自身を除く): 20841544

約数列:

[1, 2, 4, 8, 23, 41, 46, 82, 92, 164, 184, 328, 943, 1886, 2749, 3772, 5498, 7544, 10996, 21992, 63227, 112709, 126454, 225418, 252908, 450836, 505816, 901672, 2592307, 5184614, 10369228, 20738456]

約数ペア:

[(1, 20738456), (2, 10369228), (4, 5184614), (8, 2592307), (23, 901672), (41, 505816), (46, 450836), (82, 252908), (92, 225418), (164, 126454), (184, 112709), (328, 63227), (943, 21992), (1886, 10996), (2749, 7544), (3772, 5498)]