20129656888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{547}}^1\times {\mathrm{1447}}^1$

素因数の和:2045

約数の個数: 96

約数和(自身を含む): 43849031040

約数和(自身を除く): 23719374152

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 289, 374, 547, 578, 748, 1094, 1156, 1447, 1496, 2188, 2312, 2894, 3179, 4376, 5788, 6017, 6358, 9299, 11576, 12034, 12716, 15917, 18598, 24068, 24599, 25432, 31834, 37196, 48136, 49198, 63668, 74392, 98396, 102289, 127336, 158083, 196792, 204578, 270589, 316166, 409156, 418183, 541178, 632332, 791509, 818312, 836366, 1082356, 1264664, 1583018, 1672732, 1738913, 2164712, 3166036, 3345464, 3477826, 4600013, 6332072, 6955652, 8706599, 9200026, 13455653, 13911304, 17413198, 18400052, 26911306, 34826396, 36800104, 53822612, 69652792, 107645224, 148012183, 228746101, 296024366, 457492202, 592048732, 914984404, 1184097464, 1829968808, 2516207111, 5032414222, 10064828444, 20129656888]

約数ペア:

[(1, 20129656888), (2, 10064828444), (4, 5032414222), (8, 2516207111), (11, 1829968808), (17, 1184097464), (22, 914984404), (34, 592048732), (44, 457492202), (68, 296024366), (88, 228746101), (136, 148012183), (187, 107645224), (289, 69652792), (374, 53822612), (547, 36800104), (578, 34826396), (748, 26911306), (1094, 18400052), (1156, 17413198), (1447, 13911304), (1496, 13455653), (2188, 9200026), (2312, 8706599), (2894, 6955652), (3179, 6332072), (4376, 4600013), (5788, 3477826), (6017, 3345464), (6358, 3166036), (9299, 2164712), (11576, 1738913), (12034, 1672732), (12716, 1583018), (15917, 1264664), (18598, 1082356), (24068, 836366), (24599, 818312), (25432, 791509), (31834, 632332), (37196, 541178), (48136, 418183), (49198, 409156), (63668, 316166), (74392, 270589), (98396, 204578), (102289, 196792), (127336, 158083)]