20010376960

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{2927}}^1$

素因数の和:3071

約数の個数: 216

約数和(自身を含む): 56287344960

約数和(自身を除く): 36276968000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 109, 112, 128, 140, 160, 196, 218, 224, 245, 256, 280, 320, 392, 436, 448, 490, 545, 560, 640, 763, 784, 872, 896, 980, 1090, 1120, 1280, 1526, 1568, 1744, 1792, 1960, 2180, 2240, 2927, 3052, 3136, 3488, 3815, 3920, 4360, 4480, 5341, 5854, 6104, 6272, 6976, 7630, 7840, 8720, 8960, 10682, 11708, 12208, 12544, 13952, 14635, 15260, 15680, 17440, 20489, 21364, 23416, 24416, 26705, 27904, 29270, 30520, 31360, 34880, 40978, 42728, 46832, 48832, 53410, 58540, 61040, 62720, 69760, 81956, 85456, 93664, 97664, 102445, 106820, 117080, 122080, 139520, 143423, 163912, 170912, 187328, 195328, 204890, 213640, 234160, 244160, 286846, 319043, 327824, 341824, 374656, 409780, 427280, 468320, 488320, 573692, 638086, 655648, 683648, 717115, 749312, 819560, 854560, 936640, 976640, 1147384, 1276172, 1311296, 1367296, 1434230, 1595215, 1639120, 1709120, 1873280, 2233301, 2294768, 2552344, 2622592, 2868460, 3190430, 3278240, 3418240, 3746560, 4466602, 4589536, 5104688, 5245184, 5736920, 6380860, 6556480, 6836480, 8933204, 9179072, 10209376, 11166505, 11473840, 12761720, 13112960, 15633107, 17866408, 18358144, 20418752, 22333010, 22947680, 25523440, 26225920, 31266214, 35732816, 36716288, 40837504, 44666020, 45895360, 51046880, 62532428, 71465632, 78165535, 81675008, 89332040, 91790720, 102093760, 125064856, 142931264, 156331070, 178664080, 183581440, 204187520, 250129712, 285862528, 312662140, 357328160, 408375040, 500259424, 571725056, 625324280, 714656320, 1000518848, 1250648560, 1429312640, 2001037696, 2501297120, 2858625280, 4002075392, 5002594240, 10005188480, 20010376960]

約数ペア:

[(1, 20010376960), (2, 10005188480), (4, 5002594240), (5, 4002075392), (7, 2858625280), (8, 2501297120), (10, 2001037696), (14, 1429312640), (16, 1250648560), (20, 1000518848), (28, 714656320), (32, 625324280), (35, 571725056), (40, 500259424), (49, 408375040), (56, 357328160), (64, 312662140), (70, 285862528), (80, 250129712), (98, 204187520), (109, 183581440), (112, 178664080), (128, 156331070), (140, 142931264), (160, 125064856), (196, 102093760), (218, 91790720), (224, 89332040), (245, 81675008), (256, 78165535), (280, 71465632), (320, 62532428), (392, 51046880), (436, 45895360), (448, 44666020), (490, 40837504), (545, 36716288), (560, 35732816), (640, 31266214), (763, 26225920), (784, 25523440), (872, 22947680), (896, 22333010), (980, 20418752), (1090, 18358144), (1120, 17866408), (1280, 15633107), (1526, 13112960), (1568, 12761720), (1744, 11473840), (1792, 11166505), (1960, 10209376), (2180, 9179072), (2240, 8933204), (2927, 6836480), (3052, 6556480), (3136, 6380860), (3488, 5736920), (3815, 5245184), (3920, 5104688), (4360, 4589536), (4480, 4466602), (5341, 3746560), (5854, 3418240), (6104, 3278240), (6272, 3190430), (6976, 2868460), (7630, 2622592), (7840, 2552344), (8720, 2294768), (8960, 2233301), (10682, 1873280), (11708, 1709120), (12208, 1639120), (12544, 1595215), (13952, 1434230), (14635, 1367296), (15260, 1311296), (15680, 1276172), (17440, 1147384), (20489, 976640), (21364, 936640), (23416, 854560), (24416, 819560), (26705, 749312), (27904, 717115), (29270, 683648), (30520, 655648), (31360, 638086), (34880, 573692), (40978, 488320), (42728, 468320), (46832, 427280), (48832, 409780), (53410, 374656), (58540, 341824), (61040, 327824), (62720, 319043), (69760, 286846), (81956, 244160), (85456, 234160), (93664, 213640), (97664, 204890), (102445, 195328), (106820, 187328), (117080, 170912), (122080, 163912), (139520, 143423)]