20988132

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 37072668

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 47, 51, 66, 68, 94, 102, 132, 141, 187, 188, 199, 204, 282, 374, 398, 517, 561, 564, 597, 748, 796, 799, 1034, 1122, 1194, 1551, 1598, 2068, 2189, 2244, 2388, 2397, 3102, 3196, 3383, 4378, 4794, 6204, 6567, 6766, 8756, 8789, 9353, 9588, 10149, 13134, 13532, 17578, 18706, 20298, 26268, 26367, 28059, 35156, 37213, 37412, 40596, 52734, 56118, 74426, 102883, 105468, 111639, 112236, 148852, 159001, 205766, 223278, 308649, 318002, 411532, 446556, 477003, 617298, 636004, 954006, 1234596, 1749011, 1908012, 3498022, 5247033, 6996044, 10494066, 20988132]

約数ペア:

[(1, 20988132), (2, 10494066), (3, 6996044), (4, 5247033), (6, 3498022), (11, 1908012), (12, 1749011), (17, 1234596), (22, 954006), (33, 636004), (34, 617298), (44, 477003), (47, 446556), (51, 411532), (66, 318002), (68, 308649), (94, 223278), (102, 205766), (132, 159001), (141, 148852), (187, 112236), (188, 111639), (199, 105468), (204, 102883), (282, 74426), (374, 56118), (398, 52734), (517, 40596), (561, 37412), (564, 37213), (597, 35156), (748, 28059), (796, 26367), (799, 26268), (1034, 20298), (1122, 18706), (1194, 17578), (1551, 13532), (1598, 13134), (2068, 10149), (2189, 9588), (2244, 9353), (2388, 8789), (2397, 8756), (3102, 6766), (3196, 6567), (3383, 6204), (4378, 4794)]