20393647920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1\times {\mathrm{661}}^1$

素因数の和:1340

約数の個数: 240

約数和(自身を含む): 69650354592

約数和(自身を除く): 49256706672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 360, 365, 438, 584, 587, 657, 661, 720, 730, 876, 1095, 1168, 1174, 1314, 1322, 1460, 1752, 1761, 1983, 2190, 2348, 2628, 2644, 2920, 2935, 3285, 3305, 3504, 3522, 3966, 4380, 4696, 5256, 5283, 5288, 5840, 5870, 5949, 6570, 6610, 7044, 7932, 8760, 8805, 9392, 9915, 10512, 10566, 10576, 11740, 11898, 13140, 13220, 14088, 15864, 17520, 17610, 19830, 21132, 23480, 23796, 26280, 26415, 26440, 28176, 29745, 31728, 35220, 39660, 42264, 42851, 46960, 47592, 48253, 52560, 52830, 52880, 59490, 70440, 79320, 84528, 85702, 95184, 96506, 105660, 118980, 128553, 140880, 144759, 158640, 171404, 193012, 211320, 214255, 237960, 241265, 257106, 289518, 342808, 385659, 386024, 388007, 422640, 428510, 434277, 475920, 482530, 514212, 579036, 642765, 685616, 723795, 771318, 772048, 776014, 857020, 868554, 965060, 1028424, 1158072, 1164021, 1285530, 1447590, 1542636, 1552028, 1714040, 1737108, 1928295, 1930120, 1940035, 2056848, 2171385, 2316144, 2328042, 2571060, 2895180, 3085272, 3104056, 3428080, 3474216, 3492063, 3856590, 3860240, 3880070, 4342770, 4656084, 5142120, 5790360, 5820105, 6170544, 6208112, 6948432, 6984126, 7713180, 7760140, 8685540, 9312168, 10284240, 11580720, 11640210, 13968252, 15426360, 15520280, 17371080, 17460315, 18624336, 23280420, 27936504, 28324511, 30852720, 31040560, 34742160, 34920630, 46560840, 55873008, 56649022, 69841260, 84973533, 93121680, 113298044, 139682520, 141622555, 169947066, 226596088, 254920599, 279365040, 283245110, 339894132, 424867665, 453192176, 509841198, 566490220, 679788264, 849735330, 1019682396, 1132980440, 1274602995, 1359576528, 1699470660, 2039364792, 2265960880, 2549205990, 3398941320, 4078729584, 5098411980, 6797882640, 10196823960, 20393647920]

約数ペア:

[(1, 20393647920), (2, 10196823960), (3, 6797882640), (4, 5098411980), (5, 4078729584), (6, 3398941320), (8, 2549205990), (9, 2265960880), (10, 2039364792), (12, 1699470660), (15, 1359576528), (16, 1274602995), (18, 1132980440), (20, 1019682396), (24, 849735330), (30, 679788264), (36, 566490220), (40, 509841198), (45, 453192176), (48, 424867665), (60, 339894132), (72, 283245110), (73, 279365040), (80, 254920599), (90, 226596088), (120, 169947066), (144, 141622555), (146, 139682520), (180, 113298044), (219, 93121680), (240, 84973533), (292, 69841260), (360, 56649022), (365, 55873008), (438, 46560840), (584, 34920630), (587, 34742160), (657, 31040560), (661, 30852720), (720, 28324511), (730, 27936504), (876, 23280420), (1095, 18624336), (1168, 17460315), (1174, 17371080), (1314, 15520280), (1322, 15426360), (1460, 13968252), (1752, 11640210), (1761, 11580720), (1983, 10284240), (2190, 9312168), (2348, 8685540), (2628, 7760140), (2644, 7713180), (2920, 6984126), (2935, 6948432), (3285, 6208112), (3305, 6170544), (3504, 5820105), (3522, 5790360), (3966, 5142120), (4380, 4656084), (4696, 4342770), (5256, 3880070), (5283, 3860240), (5288, 3856590), (5840, 3492063), (5870, 3474216), (5949, 3428080), (6570, 3104056), (6610, 3085272), (7044, 2895180), (7932, 2571060), (8760, 2328042), (8805, 2316144), (9392, 2171385), (9915, 2056848), (10512, 1940035), (10566, 1930120), (10576, 1928295), (11740, 1737108), (11898, 1714040), (13140, 1552028), (13220, 1542636), (14088, 1447590), (15864, 1285530), (17520, 1164021), (17610, 1158072), (19830, 1028424), (21132, 965060), (23480, 868554), (23796, 857020), (26280, 776014), (26415, 772048), (26440, 771318), (28176, 723795), (29745, 685616), (31728, 642765), (35220, 579036), (39660, 514212), (42264, 482530), (42851, 475920), (46960, 434277), (47592, 428510), (48253, 422640), (52560, 388007), (52830, 386024), (52880, 385659), (59490, 342808), (70440, 289518), (79320, 257106), (84528, 241265), (85702, 237960), (95184, 214255), (96506, 211320), (105660, 193012), (118980, 171404), (128553, 158640), (140880, 144759)]