20587680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2$

素因数の和:96

約数の個数: 216

約数和(自身を含む): 77041692

約数和(自身を除く): 56454012

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 29, 30, 32, 34, 36, 40, 45, 48, 51, 58, 60, 68, 72, 80, 85, 87, 90, 96, 102, 116, 120, 136, 144, 145, 153, 160, 170, 174, 180, 204, 232, 240, 255, 261, 272, 288, 290, 306, 340, 348, 360, 408, 435, 464, 480, 493, 510, 522, 544, 580, 612, 680, 696, 720, 765, 816, 841, 870, 928, 986, 1020, 1044, 1160, 1224, 1305, 1360, 1392, 1440, 1479, 1530, 1632, 1682, 1740, 1972, 2040, 2088, 2320, 2448, 2465, 2523, 2610, 2720, 2784, 2958, 3060, 3364, 3480, 3944, 4080, 4176, 4205, 4437, 4640, 4896, 4930, 5046, 5220, 5916, 6120, 6728, 6960, 7395, 7569, 7888, 8160, 8352, 8410, 8874, 9860, 10092, 10440, 11832, 12240, 12615, 13456, 13920, 14297, 14790, 15138, 15776, 16820, 17748, 19720, 20184, 20880, 22185, 23664, 24480, 25230, 26912, 28594, 29580, 30276, 33640, 35496, 37845, 39440, 40368, 41760, 42891, 44370, 47328, 50460, 57188, 59160, 60552, 67280, 70992, 71485, 75690, 78880, 80736, 85782, 88740, 100920, 114376, 118320, 121104, 128673, 134560, 141984, 142970, 151380, 171564, 177480, 201840, 214455, 228752, 236640, 242208, 257346, 285940, 302760, 343128, 354960, 403680, 428910, 457504, 514692, 571880, 605520, 643365, 686256, 709920, 857820, 1029384, 1143760, 1211040, 1286730, 1372512, 1715640, 2058768, 2287520, 2573460, 3431280, 4117536, 5146920, 6862560, 10293840, 20587680]

約数ペア:

[(1, 20587680), (2, 10293840), (3, 6862560), (4, 5146920), (5, 4117536), (6, 3431280), (8, 2573460), (9, 2287520), (10, 2058768), (12, 1715640), (15, 1372512), (16, 1286730), (17, 1211040), (18, 1143760), (20, 1029384), (24, 857820), (29, 709920), (30, 686256), (32, 643365), (34, 605520), (36, 571880), (40, 514692), (45, 457504), (48, 428910), (51, 403680), (58, 354960), (60, 343128), (68, 302760), (72, 285940), (80, 257346), (85, 242208), (87, 236640), (90, 228752), (96, 214455), (102, 201840), (116, 177480), (120, 171564), (136, 151380), (144, 142970), (145, 141984), (153, 134560), (160, 128673), (170, 121104), (174, 118320), (180, 114376), (204, 100920), (232, 88740), (240, 85782), (255, 80736), (261, 78880), (272, 75690), (288, 71485), (290, 70992), (306, 67280), (340, 60552), (348, 59160), (360, 57188), (408, 50460), (435, 47328), (464, 44370), (480, 42891), (493, 41760), (510, 40368), (522, 39440), (544, 37845), (580, 35496), (612, 33640), (680, 30276), (696, 29580), (720, 28594), (765, 26912), (816, 25230), (841, 24480), (870, 23664), (928, 22185), (986, 20880), (1020, 20184), (1044, 19720), (1160, 17748), (1224, 16820), (1305, 15776), (1360, 15138), (1392, 14790), (1440, 14297), (1479, 13920), (1530, 13456), (1632, 12615), (1682, 12240), (1740, 11832), (1972, 10440), (2040, 10092), (2088, 9860), (2320, 8874), (2448, 8410), (2465, 8352), (2523, 8160), (2610, 7888), (2720, 7569), (2784, 7395), (2958, 6960), (3060, 6728), (3364, 6120), (3480, 5916), (3944, 5220), (4080, 5046), (4176, 4930), (4205, 4896), (4437, 4640)]