20197907520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{859}}^1\times {\mathrm{3499}}^1$

素因数の和:4385

約数の個数: 224

約数和(自身を含む): 73395840000

約数和(自身を除く): 53197932480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 859, 960, 1120, 1344, 1680, 1718, 2240, 2577, 3360, 3436, 3499, 4295, 5154, 6013, 6720, 6872, 6998, 8590, 10308, 10497, 12026, 12885, 13744, 13996, 17180, 17495, 18039, 20616, 20994, 24052, 24493, 25770, 27488, 27992, 30065, 34360, 34990, 36078, 41232, 41988, 48104, 48986, 51540, 52485, 54976, 55984, 60130, 68720, 69980, 72156, 73479, 82464, 83976, 90195, 96208, 97972, 103080, 104970, 111968, 120260, 122465, 137440, 139960, 144312, 146958, 164928, 167952, 180390, 192416, 195944, 206160, 209940, 223936, 240520, 244930, 274880, 279920, 288624, 293916, 335904, 360780, 367395, 384832, 391888, 412320, 419880, 481040, 489860, 559840, 577248, 587832, 671808, 721560, 734790, 783776, 824640, 839760, 962080, 979720, 1119680, 1154496, 1175664, 1443120, 1469580, 1567552, 1679520, 1924160, 1959440, 2351328, 2886240, 2939160, 3005641, 3359040, 3918880, 4702656, 5772480, 5878320, 6011282, 7837760, 9016923, 11756640, 12022564, 15028205, 18033846, 21039487, 23513280, 24045128, 30056410, 36067692, 42078974, 45084615, 48090256, 60112820, 63118461, 72135384, 84157948, 90169230, 96180512, 105197435, 120225640, 126236922, 144270768, 168315896, 180338460, 192361024, 210394870, 240451280, 252473844, 288541536, 315592305, 336631792, 360676920, 420789740, 480902560, 504947688, 577083072, 631184610, 673263584, 721353840, 841579480, 961805120, 1009895376, 1262369220, 1346527168, 1442707680, 1683158960, 2019790752, 2524738440, 2885415360, 3366317920, 4039581504, 5049476880, 6732635840, 10098953760, 20197907520]

約数ペア:

[(1, 20197907520), (2, 10098953760), (3, 6732635840), (4, 5049476880), (5, 4039581504), (6, 3366317920), (7, 2885415360), (8, 2524738440), (10, 2019790752), (12, 1683158960), (14, 1442707680), (15, 1346527168), (16, 1262369220), (20, 1009895376), (21, 961805120), (24, 841579480), (28, 721353840), (30, 673263584), (32, 631184610), (35, 577083072), (40, 504947688), (42, 480902560), (48, 420789740), (56, 360676920), (60, 336631792), (64, 315592305), (70, 288541536), (80, 252473844), (84, 240451280), (96, 210394870), (105, 192361024), (112, 180338460), (120, 168315896), (140, 144270768), (160, 126236922), (168, 120225640), (192, 105197435), (210, 96180512), (224, 90169230), (240, 84157948), (280, 72135384), (320, 63118461), (336, 60112820), (420, 48090256), (448, 45084615), (480, 42078974), (560, 36067692), (672, 30056410), (840, 24045128), (859, 23513280), (960, 21039487), (1120, 18033846), (1344, 15028205), (1680, 12022564), (1718, 11756640), (2240, 9016923), (2577, 7837760), (3360, 6011282), (3436, 5878320), (3499, 5772480), (4295, 4702656), (5154, 3918880), (6013, 3359040), (6720, 3005641), (6872, 2939160), (6998, 2886240), (8590, 2351328), (10308, 1959440), (10497, 1924160), (12026, 1679520), (12885, 1567552), (13744, 1469580), (13996, 1443120), (17180, 1175664), (17495, 1154496), (18039, 1119680), (20616, 979720), (20994, 962080), (24052, 839760), (24493, 824640), (25770, 783776), (27488, 734790), (27992, 721560), (30065, 671808), (34360, 587832), (34990, 577248), (36078, 559840), (41232, 489860), (41988, 481040), (48104, 419880), (48986, 412320), (51540, 391888), (52485, 384832), (54976, 367395), (55984, 360780), (60130, 335904), (68720, 293916), (69980, 288624), (72156, 279920), (73479, 274880), (82464, 244930), (83976, 240520), (90195, 223936), (96208, 209940), (97972, 206160), (103080, 195944), (104970, 192416), (111968, 180390), (120260, 167952), (122465, 164928), (137440, 146958), (139960, 144312)]