20834791677

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7937}}^1$

素因数の和:8032

約数の個数: 128

約数和(自身を含む): 40236134400

約数和(自身を除く): 19401342723

約数列:

[1, 3, 7, 9, 17, 19, 21, 27, 43, 51, 57, 63, 119, 129, 133, 153, 171, 189, 301, 323, 357, 387, 399, 459, 513, 731, 817, 903, 969, 1071, 1161, 1197, 2193, 2261, 2451, 2709, 2907, 3213, 3591, 5117, 5719, 6579, 6783, 7353, 7937, 8127, 8721, 13889, 15351, 17157, 19737, 20349, 22059, 23811, 41667, 46053, 51471, 55559, 61047, 71433, 97223, 125001, 134929, 138159, 150803, 154413, 166677, 214299, 291669, 341291, 375003, 404787, 452409, 500031, 875007, 944503, 1023873, 1055621, 1214361, 1357227, 1500093, 2389037, 2563651, 2625021, 2833509, 3071619, 3166863, 3643083, 4071681, 5801947, 6484529, 7167111, 7690953, 8500527, 9214857, 9500589, 17405841, 17945557, 19453587, 21501333, 23072859, 25501581, 28501767, 40613629, 45391703, 52217523, 53836671, 58360761, 64503999, 69218577, 110236993, 121840887, 136175109, 156652569, 161510013, 175082283, 330710979, 365522661, 408525327, 484530039, 771658951, 992132937, 1096567983, 1225575981, 2314976853, 2976398811, 6944930559, 20834791677]

約数ペア:

[(1, 20834791677), (3, 6944930559), (7, 2976398811), (9, 2314976853), (17, 1225575981), (19, 1096567983), (21, 992132937), (27, 771658951), (43, 484530039), (51, 408525327), (57, 365522661), (63, 330710979), (119, 175082283), (129, 161510013), (133, 156652569), (153, 136175109), (171, 121840887), (189, 110236993), (301, 69218577), (323, 64503999), (357, 58360761), (387, 53836671), (399, 52217523), (459, 45391703), (513, 40613629), (731, 28501767), (817, 25501581), (903, 23072859), (969, 21501333), (1071, 19453587), (1161, 17945557), (1197, 17405841), (2193, 9500589), (2261, 9214857), (2451, 8500527), (2709, 7690953), (2907, 7167111), (3213, 6484529), (3591, 5801947), (5117, 4071681), (5719, 3643083), (6579, 3166863), (6783, 3071619), (7353, 2833509), (7937, 2625021), (8127, 2563651), (8721, 2389037), (13889, 1500093), (15351, 1357227), (17157, 1214361), (19737, 1055621), (20349, 1023873), (22059, 944503), (23811, 875007), (41667, 500031), (46053, 452409), (51471, 404787), (55559, 375003), (61047, 341291), (71433, 291669), (97223, 214299), (125001, 166677), (134929, 154413), (138159, 150803)]