20745816

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 48201384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 23, 24, 26, 28, 39, 42, 46, 49, 52, 56, 59, 69, 78, 84, 91, 92, 98, 104, 118, 138, 147, 156, 161, 168, 177, 182, 184, 196, 236, 273, 276, 294, 299, 312, 322, 354, 364, 392, 413, 472, 483, 546, 552, 588, 598, 637, 644, 708, 728, 767, 826, 897, 966, 1092, 1127, 1176, 1196, 1239, 1274, 1288, 1357, 1416, 1534, 1652, 1794, 1911, 1932, 2093, 2184, 2254, 2301, 2392, 2478, 2548, 2714, 2891, 3068, 3304, 3381, 3588, 3822, 3864, 4071, 4186, 4508, 4602, 4956, 5096, 5369, 5428, 5782, 6136, 6279, 6762, 7176, 7644, 8142, 8372, 8673, 9016, 9204, 9499, 9912, 10738, 10856, 11564, 12558, 13524, 14651, 15288, 16107, 16284, 16744, 17346, 17641, 18408, 18998, 21476, 23128, 25116, 27048, 28497, 29302, 32214, 32568, 34692, 35282, 37583, 37996, 42952, 43953, 50232, 52923, 56994, 58604, 64428, 66493, 69384, 70564, 75166, 75992, 87906, 105846, 112749, 113988, 117208, 123487, 128856, 132986, 141128, 150332, 175812, 199479, 211692, 225498, 227976, 246974, 265972, 300664, 351624, 370461, 398958, 423384, 450996, 493948, 531944, 740922, 797916, 864409, 901992, 987896, 1481844, 1595832, 1728818, 2593227, 2963688, 3457636, 5186454, 6915272, 10372908, 20745816]

約数ペア:

[(1, 20745816), (2, 10372908), (3, 6915272), (4, 5186454), (6, 3457636), (7, 2963688), (8, 2593227), (12, 1728818), (13, 1595832), (14, 1481844), (21, 987896), (23, 901992), (24, 864409), (26, 797916), (28, 740922), (39, 531944), (42, 493948), (46, 450996), (49, 423384), (52, 398958), (56, 370461), (59, 351624), (69, 300664), (78, 265972), (84, 246974), (91, 227976), (92, 225498), (98, 211692), (104, 199479), (118, 175812), (138, 150332), (147, 141128), (156, 132986), (161, 128856), (168, 123487), (177, 117208), (182, 113988), (184, 112749), (196, 105846), (236, 87906), (273, 75992), (276, 75166), (294, 70564), (299, 69384), (312, 66493), (322, 64428), (354, 58604), (364, 56994), (392, 52923), (413, 50232), (472, 43953), (483, 42952), (546, 37996), (552, 37583), (588, 35282), (598, 34692), (637, 32568), (644, 32214), (708, 29302), (728, 28497), (767, 27048), (826, 25116), (897, 23128), (966, 21476), (1092, 18998), (1127, 18408), (1176, 17641), (1196, 17346), (1239, 16744), (1274, 16284), (1288, 16107), (1357, 15288), (1416, 14651), (1534, 13524), (1652, 12558), (1794, 11564), (1911, 10856), (1932, 10738), (2093, 9912), (2184, 9499), (2254, 9204), (2301, 9016), (2392, 8673), (2478, 8372), (2548, 8142), (2714, 7644), (2891, 7176), (3068, 6762), (3304, 6279), (3381, 6136), (3588, 5782), (3822, 5428), (3864, 5369), (4071, 5096), (4186, 4956), (4508, 4602)]