20997553920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1553}}^1$

素因数の和:2087

約数の個数: 288

約数和(自身を含む): 76842888192

約数和(自身を除く): 55845334272

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, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 503, 560, 640, 672, 768, 840, 896, 960, 1006, 1120, 1280, 1344, 1509, 1553, 1680, 1792, 1920, 2012, 2240, 2515, 2688, 3018, 3106, 3360, 3521, 3840, 4024, 4480, 4659, 5030, 5376, 6036, 6212, 6720, 7042, 7545, 7765, 8048, 8960, 9318, 10060, 10563, 10871, 12072, 12424, 13440, 14084, 15090, 15530, 16096, 17605, 18636, 20120, 21126, 21742, 23295, 24144, 24848, 26880, 28168, 30180, 31060, 32192, 32613, 35210, 37272, 40240, 42252, 43484, 46590, 48288, 49696, 52815, 54355, 56336, 60360, 62120, 64384, 65226, 70420, 74544, 80480, 84504, 86968, 93180, 96576, 99392, 105630, 108710, 112672, 120720, 124240, 128768, 130452, 140840, 149088, 160960, 163065, 169008, 173936, 186360, 193152, 198784, 211260, 217420, 225344, 241440, 248480, 260904, 281680, 298176, 321920, 326130, 338016, 347872, 372720, 386304, 397568, 422520, 434840, 450688, 482880, 496960, 521808, 563360, 596352, 643840, 652260, 676032, 695744, 745440, 781159, 845040, 869680, 901376, 965760, 993920, 1043616, 1126720, 1192704, 1304520, 1352064, 1391488, 1490880, 1562318, 1690080, 1739360, 1931520, 1987840, 2087232, 2253440, 2343477, 2609040, 2704128, 2782976, 2981760, 3124636, 3380160, 3478720, 3905795, 4174464, 4506880, 4686954, 5218080, 5468113, 5963520, 6249272, 6760320, 6957440, 7811590, 8348928, 9373908, 10436160, 10936226, 11717385, 12498544, 13520640, 13914880, 15623180, 16404339, 18747816, 20872320, 21872452, 23434770, 24997088, 27340565, 31246360, 32808678, 37495632, 41744640, 43744904, 46869540, 49994176, 54681130, 62492720, 65617356, 74991264, 82021695, 87489808, 93739080, 99988352, 109362260, 124985440, 131234712, 149982528, 164043390, 174979616, 187478160, 199976704, 218724520, 249970880, 262469424, 299965056, 328086780, 349959232, 374956320, 437449040, 499941760, 524938848, 599930112, 656173560, 699918464, 749912640, 874898080, 999883520, 1049877696, 1312347120, 1399836928, 1499825280, 1749796160, 2099755392, 2624694240, 2999650560, 3499592320, 4199510784, 5249388480, 6999184640, 10498776960, 20997553920]

約数ペア:

[(1, 20997553920), (2, 10498776960), (3, 6999184640), (4, 5249388480), (5, 4199510784), (6, 3499592320), (7, 2999650560), (8, 2624694240), (10, 2099755392), (12, 1749796160), (14, 1499825280), (15, 1399836928), (16, 1312347120), (20, 1049877696), (21, 999883520), (24, 874898080), (28, 749912640), (30, 699918464), (32, 656173560), (35, 599930112), (40, 524938848), (42, 499941760), (48, 437449040), (56, 374956320), (60, 349959232), (64, 328086780), (70, 299965056), (80, 262469424), (84, 249970880), (96, 218724520), (105, 199976704), (112, 187478160), (120, 174979616), (128, 164043390), (140, 149982528), (160, 131234712), (168, 124985440), (192, 109362260), (210, 99988352), (224, 93739080), (240, 87489808), (256, 82021695), (280, 74991264), (320, 65617356), (336, 62492720), (384, 54681130), (420, 49994176), (448, 46869540), (480, 43744904), (503, 41744640), (560, 37495632), (640, 32808678), (672, 31246360), (768, 27340565), (840, 24997088), (896, 23434770), (960, 21872452), (1006, 20872320), (1120, 18747816), (1280, 16404339), (1344, 15623180), (1509, 13914880), (1553, 13520640), (1680, 12498544), (1792, 11717385), (1920, 10936226), (2012, 10436160), (2240, 9373908), (2515, 8348928), (2688, 7811590), (3018, 6957440), (3106, 6760320), (3360, 6249272), (3521, 5963520), (3840, 5468113), (4024, 5218080), (4480, 4686954), (4659, 4506880), (5030, 4174464), (5376, 3905795), (6036, 3478720), (6212, 3380160), (6720, 3124636), (7042, 2981760), (7545, 2782976), (7765, 2704128), (8048, 2609040), (8960, 2343477), (9318, 2253440), (10060, 2087232), (10563, 1987840), (10871, 1931520), (12072, 1739360), (12424, 1690080), (13440, 1562318), (14084, 1490880), (15090, 1391488), (15530, 1352064), (16096, 1304520), (17605, 1192704), (18636, 1126720), (20120, 1043616), (21126, 993920), (21742, 965760), (23295, 901376), (24144, 869680), (24848, 845040), (26880, 781159), (28168, 745440), (30180, 695744), (31060, 676032), (32192, 652260), (32613, 643840), (35210, 596352), (37272, 563360), (40240, 521808), (42252, 496960), (43484, 482880), (46590, 450688), (48288, 434840), (49696, 422520), (52815, 397568), (54355, 386304), (56336, 372720), (60360, 347872), (62120, 338016), (64384, 326130), (65226, 321920), (70420, 298176), (74544, 281680), (80480, 260904), (84504, 248480), (86968, 241440), (93180, 225344), (96576, 217420), (99392, 211260), (105630, 198784), (108710, 193152), (112672, 186360), (120720, 173936), (124240, 169008), (128768, 163065), (130452, 160960), (140840, 149088)]