20857534164

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1051499}}^1$

素因数の和:1051557

約数の個数: 72

約数和(自身を含む): 57411900000

約数和(自身を除く): 36554365836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1044, 1102, 1653, 2204, 3306, 4959, 6612, 9918, 19836, 1051499, 2102998, 3154497, 4205996, 6308994, 9463491, 12617988, 18926982, 19978481, 30493471, 37853964, 39956962, 59935443, 60986942, 79913924, 91480413, 119870886, 121973884, 179806329, 182960826, 239741772, 274441239, 359612658, 365921652, 548882478, 579375949, 719225316, 1097764956, 1158751898, 1738127847, 2317503796, 3476255694, 5214383541, 6952511388, 10428767082, 20857534164]

約数ペア:

[(1, 20857534164), (2, 10428767082), (3, 6952511388), (4, 5214383541), (6, 3476255694), (9, 2317503796), (12, 1738127847), (18, 1158751898), (19, 1097764956), (29, 719225316), (36, 579375949), (38, 548882478), (57, 365921652), (58, 359612658), (76, 274441239), (87, 239741772), (114, 182960826), (116, 179806329), (171, 121973884), (174, 119870886), (228, 91480413), (261, 79913924), (342, 60986942), (348, 59935443), (522, 39956962), (551, 37853964), (684, 30493471), (1044, 19978481), (1102, 18926982), (1653, 12617988), (2204, 9463491), (3306, 6308994), (4959, 4205996), (6612, 3154497), (9918, 2102998), (19836, 1051499)]