20455817823

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1\times {\mathrm{5273}}^1$

素因数の和:5868

約数の個数: 48

約数和(自身を含む): 34094511360

約数和(自身を除く): 13638693537

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 443, 973, 1251, 1329, 2919, 3101, 3987, 5273, 8757, 9303, 15819, 27909, 36911, 47457, 61577, 110733, 184731, 332199, 431039, 554193, 732947, 1293117, 2198841, 2335939, 3879351, 5130629, 6596523, 7007817, 15391887, 16351573, 21023451, 46175661, 49054719, 147164157, 324695521, 974086563, 2272868647, 2922259689, 6818605941, 20455817823]

約数ペア:

[(1, 20455817823), (3, 6818605941), (7, 2922259689), (9, 2272868647), (21, 974086563), (63, 324695521), (139, 147164157), (417, 49054719), (443, 46175661), (973, 21023451), (1251, 16351573), (1329, 15391887), (2919, 7007817), (3101, 6596523), (3987, 5130629), (5273, 3879351), (8757, 2335939), (9303, 2198841), (15819, 1293117), (27909, 732947), (36911, 554193), (47457, 431039), (61577, 332199), (110733, 184731)]