20247655680

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{251087}}^1$

素因数の和:251121

約数の個数: 216

約数和(自身を含む): 80062924032

約数和(自身を除く): 59815268352

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 26880, 40320, 80640, 251087, 502174, 753261, 1004348, 1255435, 1506522, 1757609, 2008696, 2259783, 2510870, 3013044, 3515218, 3766305, 4017392, 4519566, 5021740, 5272827, 6026088, 7030436, 7532610, 8034784, 8788045, 9039132, 10043480, 10545654, 11298915, 12052176, 14060872, 15065220, 15818481, 16069568, 17576090, 18078264, 20086960, 21091308, 22597830, 24104352, 26364135, 28121744, 30130440, 31636962, 32139136, 35152180, 36156528, 40173920, 42182616, 45195660, 48208704, 52728270, 56243488, 60260880, 63273924, 64278272, 70304360, 72313056, 79092405, 80347840, 84365232, 90391320, 96417408, 105456540, 112486976, 120521760, 126547848, 140608720, 144626112, 158184810, 160695680, 168730464, 180782640, 192834816, 210913080, 224973952, 241043520, 253095696, 281217440, 289252224, 316369620, 321391360, 337460928, 361565280, 421826160, 449947904, 482087040, 506191392, 562434880, 578504448, 632739240, 674921856, 723130560, 843652320, 964174080, 1012382784, 1124869760, 1265478480, 1349843712, 1446261120, 1687304640, 2024765568, 2249739520, 2530956960, 2892522240, 3374609280, 4049531136, 5061913920, 6749218560, 10123827840, 20247655680]

約数ペア:

[(1, 20247655680), (2, 10123827840), (3, 6749218560), (4, 5061913920), (5, 4049531136), (6, 3374609280), (7, 2892522240), (8, 2530956960), (9, 2249739520), (10, 2024765568), (12, 1687304640), (14, 1446261120), (15, 1349843712), (16, 1265478480), (18, 1124869760), (20, 1012382784), (21, 964174080), (24, 843652320), (28, 723130560), (30, 674921856), (32, 632739240), (35, 578504448), (36, 562434880), (40, 506191392), (42, 482087040), (45, 449947904), (48, 421826160), (56, 361565280), (60, 337460928), (63, 321391360), (64, 316369620), (70, 289252224), (72, 281217440), (80, 253095696), (84, 241043520), (90, 224973952), (96, 210913080), (105, 192834816), (112, 180782640), (120, 168730464), (126, 160695680), (128, 158184810), (140, 144626112), (144, 140608720), (160, 126547848), (168, 120521760), (180, 112486976), (192, 105456540), (210, 96417408), (224, 90391320), (240, 84365232), (252, 80347840), (256, 79092405), (280, 72313056), (288, 70304360), (315, 64278272), (320, 63273924), (336, 60260880), (360, 56243488), (384, 52728270), (420, 48208704), (448, 45195660), (480, 42182616), (504, 40173920), (560, 36156528), (576, 35152180), (630, 32139136), (640, 31636962), (672, 30130440), (720, 28121744), (768, 26364135), (840, 24104352), (896, 22597830), (960, 21091308), (1008, 20086960), (1120, 18078264), (1152, 17576090), (1260, 16069568), (1280, 15818481), (1344, 15065220), (1440, 14060872), (1680, 12052176), (1792, 11298915), (1920, 10545654), (2016, 10043480), (2240, 9039132), (2304, 8788045), (2520, 8034784), (2688, 7532610), (2880, 7030436), (3360, 6026088), (3840, 5272827), (4032, 5021740), (4480, 4519566), (5040, 4017392), (5376, 3766305), (5760, 3515218), (6720, 3013044), (8064, 2510870), (8960, 2259783), (10080, 2008696), (11520, 1757609), (13440, 1506522), (16128, 1255435), (20160, 1004348), (26880, 753261), (40320, 502174), (80640, 251087)]