20459296

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:314

約数の個数: 96

約数和(自身を含む): 50295168

約数和(自身を除く): 29835872

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 263, 272, 286, 352, 374, 416, 442, 526, 544, 572, 748, 884, 1052, 1144, 1496, 1768, 2104, 2288, 2431, 2893, 2992, 3419, 3536, 4208, 4471, 4576, 4862, 5786, 5984, 6838, 7072, 8416, 8942, 9724, 11572, 13676, 17884, 19448, 23144, 27352, 35768, 37609, 38896, 46288, 49181, 54704, 58123, 71536, 75218, 77792, 92576, 98362, 109408, 116246, 143072, 150436, 196724, 232492, 300872, 393448, 464984, 601744, 639353, 786896, 929968, 1203488, 1278706, 1573792, 1859936, 2557412, 5114824, 10229648, 20459296]

約数ペア:

[(1, 20459296), (2, 10229648), (4, 5114824), (8, 2557412), (11, 1859936), (13, 1573792), (16, 1278706), (17, 1203488), (22, 929968), (26, 786896), (32, 639353), (34, 601744), (44, 464984), (52, 393448), (68, 300872), (88, 232492), (104, 196724), (136, 150436), (143, 143072), (176, 116246), (187, 109408), (208, 98362), (221, 92576), (263, 77792), (272, 75218), (286, 71536), (352, 58123), (374, 54704), (416, 49181), (442, 46288), (526, 38896), (544, 37609), (572, 35768), (748, 27352), (884, 23144), (1052, 19448), (1144, 17884), (1496, 13676), (1768, 11572), (2104, 9724), (2288, 8942), (2431, 8416), (2893, 7072), (2992, 6838), (3419, 5984), (3536, 5786), (4208, 4862), (4471, 4576)]