20912444112

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{144407}}^1$

素因数の和:144856

約数の個数: 80

約数和(自身を含む): 61885181952

約数和(自身を除く): 40972737840

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 431, 862, 1293, 1724, 2586, 3017, 3448, 5172, 6034, 6896, 9051, 10344, 12068, 18102, 20688, 24136, 36204, 48272, 72408, 144407, 144816, 288814, 433221, 577628, 866442, 1010849, 1155256, 1732884, 2021698, 2310512, 3032547, 3465768, 4043396, 6065094, 6931536, 8086792, 12130188, 16173584, 24260376, 48520752, 62239417, 124478834, 186718251, 248957668, 373436502, 435675919, 497915336, 746873004, 871351838, 995830672, 1307027757, 1493746008, 1742703676, 2614055514, 2987492016, 3485407352, 5228111028, 6970814704, 10456222056, 20912444112]

約数ペア:

[(1, 20912444112), (2, 10456222056), (3, 6970814704), (4, 5228111028), (6, 3485407352), (7, 2987492016), (8, 2614055514), (12, 1742703676), (14, 1493746008), (16, 1307027757), (21, 995830672), (24, 871351838), (28, 746873004), (42, 497915336), (48, 435675919), (56, 373436502), (84, 248957668), (112, 186718251), (168, 124478834), (336, 62239417), (431, 48520752), (862, 24260376), (1293, 16173584), (1724, 12130188), (2586, 8086792), (3017, 6931536), (3448, 6065094), (5172, 4043396), (6034, 3465768), (6896, 3032547), (9051, 2310512), (10344, 2021698), (12068, 1732884), (18102, 1155256), (20688, 1010849), (24136, 866442), (36204, 577628), (48272, 433221), (72408, 288814), (144407, 144816)]