20165080551

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:901

約数の個数: 128

約数和(自身を含む): 36245299200

約数和(自身を除く): 16080218649

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 61, 77, 109, 133, 183, 209, 231, 327, 399, 427, 627, 671, 691, 763, 1159, 1199, 1281, 1463, 2013, 2071, 2073, 2289, 3477, 3597, 4389, 4697, 4837, 6213, 6649, 7601, 8113, 8393, 12749, 13129, 14091, 14497, 14511, 19947, 22781, 22803, 24339, 25179, 38247, 39387, 42151, 43491, 46543, 53207, 68343, 73139, 75319, 89243, 91903, 126331, 126453, 139629, 144419, 159467, 159621, 219417, 225957, 267729, 275709, 295057, 378993, 433257, 463661, 478401, 511973, 527233, 800869, 828509, 884317, 885171, 1010933, 1389641, 1390983, 1431061, 1535919, 1581699, 2402607, 2485527, 2652951, 3032799, 3245627, 4168923, 4293183, 4594459, 5606083, 5799563, 8809559, 9727487, 9736881, 10017427, 13783377, 15741671, 16818249, 17398689, 26428677, 29182461, 30052281, 32161213, 47225013, 50539049, 61666913, 87294721, 96483639, 110191697, 151617147, 185000739, 261884163, 330575091, 353773343, 611063047, 960241931, 1061320029, 1833189141, 2880725793, 6721693517, 20165080551]

約数ペア:

[(1, 20165080551), (3, 6721693517), (7, 2880725793), (11, 1833189141), (19, 1061320029), (21, 960241931), (33, 611063047), (57, 353773343), (61, 330575091), (77, 261884163), (109, 185000739), (133, 151617147), (183, 110191697), (209, 96483639), (231, 87294721), (327, 61666913), (399, 50539049), (427, 47225013), (627, 32161213), (671, 30052281), (691, 29182461), (763, 26428677), (1159, 17398689), (1199, 16818249), (1281, 15741671), (1463, 13783377), (2013, 10017427), (2071, 9736881), (2073, 9727487), (2289, 8809559), (3477, 5799563), (3597, 5606083), (4389, 4594459), (4697, 4293183), (4837, 4168923), (6213, 3245627), (6649, 3032799), (7601, 2652951), (8113, 2485527), (8393, 2402607), (12749, 1581699), (13129, 1535919), (14091, 1431061), (14497, 1390983), (14511, 1389641), (19947, 1010933), (22781, 885171), (22803, 884317), (24339, 828509), (25179, 800869), (38247, 527233), (39387, 511973), (42151, 478401), (43491, 463661), (46543, 433257), (53207, 378993), (68343, 295057), (73139, 275709), (75319, 267729), (89243, 225957), (91903, 219417), (126331, 159621), (126453, 159467), (139629, 144419)]