20320278832

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:520

約数の個数: 240

約数和(自身を含む): 49708961280

約数和(自身を除く): 29388682448

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 43, 46, 49, 56, 73, 86, 92, 98, 112, 146, 161, 172, 184, 196, 292, 301, 322, 344, 359, 368, 392, 511, 584, 602, 644, 688, 718, 784, 989, 1022, 1127, 1168, 1204, 1288, 1436, 1679, 1978, 2044, 2107, 2254, 2408, 2513, 2576, 2872, 3139, 3358, 3577, 3956, 4088, 4214, 4508, 4816, 5026, 5744, 6278, 6716, 6923, 7154, 7912, 8176, 8257, 8428, 9016, 10052, 11753, 12556, 13432, 13846, 14308, 15437, 15824, 16514, 16856, 17591, 18032, 20104, 21973, 23506, 25112, 26207, 26864, 27692, 28616, 30874, 33028, 33712, 35182, 40208, 43946, 47012, 48461, 50224, 52414, 55384, 57232, 57799, 61748, 66056, 70364, 72197, 82271, 87892, 94024, 96922, 104828, 108059, 110768, 115598, 123496, 132112, 140728, 144394, 153811, 164542, 175784, 183449, 188048, 193844, 209656, 216118, 231196, 246992, 281456, 288788, 307622, 329084, 351568, 355051, 366898, 387688, 404593, 419312, 432236, 462392, 505379, 577576, 602761, 615244, 658168, 710102, 733796, 756413, 775376, 809186, 864472, 924784, 1010758, 1126901, 1155152, 1205522, 1230488, 1284143, 1316336, 1420204, 1467592, 1512826, 1618372, 1728944, 2021516, 2253802, 2411044, 2460976, 2485357, 2568286, 2840408, 2935184, 3025652, 3236744, 3537653, 4043032, 4219327, 4507604, 4822088, 4970714, 5136572, 5680816, 6051304, 6473488, 7075306, 7888307, 8086064, 8438654, 9015208, 9644176, 9941428, 10273144, 12102608, 14150612, 15776614, 16877308, 17397499, 18030416, 19882856, 20546288, 25918723, 28301224, 29535289, 31553228, 33754616, 34794998, 39765712, 51837446, 55218149, 56602448, 59070578, 63106456, 67509232, 69589996, 103674892, 110436298, 118141156, 126212912, 139179992, 181431061, 207349784, 220872596, 236282312, 278359984, 362862122, 414699568, 441745192, 472564624, 725724244, 883490384, 1270017427, 1451448488, 2540034854, 2902896976, 5080069708, 10160139416, 20320278832]

約数ペア:

[(1, 20320278832), (2, 10160139416), (4, 5080069708), (7, 2902896976), (8, 2540034854), (14, 1451448488), (16, 1270017427), (23, 883490384), (28, 725724244), (43, 472564624), (46, 441745192), (49, 414699568), (56, 362862122), (73, 278359984), (86, 236282312), (92, 220872596), (98, 207349784), (112, 181431061), (146, 139179992), (161, 126212912), (172, 118141156), (184, 110436298), (196, 103674892), (292, 69589996), (301, 67509232), (322, 63106456), (344, 59070578), (359, 56602448), (368, 55218149), (392, 51837446), (511, 39765712), (584, 34794998), (602, 33754616), (644, 31553228), (688, 29535289), (718, 28301224), (784, 25918723), (989, 20546288), (1022, 19882856), (1127, 18030416), (1168, 17397499), (1204, 16877308), (1288, 15776614), (1436, 14150612), (1679, 12102608), (1978, 10273144), (2044, 9941428), (2107, 9644176), (2254, 9015208), (2408, 8438654), (2513, 8086064), (2576, 7888307), (2872, 7075306), (3139, 6473488), (3358, 6051304), (3577, 5680816), (3956, 5136572), (4088, 4970714), (4214, 4822088), (4508, 4507604), (4816, 4219327), (5026, 4043032), (5744, 3537653), (6278, 3236744), (6716, 3025652), (6923, 2935184), (7154, 2840408), (7912, 2568286), (8176, 2485357), (8257, 2460976), (8428, 2411044), (9016, 2253802), (10052, 2021516), (11753, 1728944), (12556, 1618372), (13432, 1512826), (13846, 1467592), (14308, 1420204), (15437, 1316336), (15824, 1284143), (16514, 1230488), (16856, 1205522), (17591, 1155152), (18032, 1126901), (20104, 1010758), (21973, 924784), (23506, 864472), (25112, 809186), (26207, 775376), (26864, 756413), (27692, 733796), (28616, 710102), (30874, 658168), (33028, 615244), (33712, 602761), (35182, 577576), (40208, 505379), (43946, 462392), (47012, 432236), (48461, 419312), (50224, 404593), (52414, 387688), (55384, 366898), (57232, 355051), (57799, 351568), (61748, 329084), (66056, 307622), (70364, 288788), (72197, 281456), (82271, 246992), (87892, 231196), (94024, 216118), (96922, 209656), (104828, 193844), (108059, 188048), (110768, 183449), (115598, 175784), (123496, 164542), (132112, 153811), (140728, 144394)]