20870476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 21804212

約数列:

[1, 2, 4, 11, 22, 23, 41, 44, 46, 82, 92, 164, 253, 451, 503, 506, 902, 943, 1006, 1012, 1804, 1886, 2012, 3772, 5533, 10373, 11066, 11569, 20623, 20746, 22132, 23138, 41246, 41492, 46276, 82492, 127259, 226853, 254518, 453706, 474329, 509036, 907412, 948658, 1897316, 5217619, 10435238, 20870476]

約数ペア:

[(1, 20870476), (2, 10435238), (4, 5217619), (11, 1897316), (22, 948658), (23, 907412), (41, 509036), (44, 474329), (46, 453706), (82, 254518), (92, 226853), (164, 127259), (253, 82492), (451, 46276), (503, 41492), (506, 41246), (902, 23138), (943, 22132), (1006, 20746), (1012, 20623), (1804, 11569), (1886, 11066), (2012, 10373), (3772, 5533)]