20512083690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{256369}}^1$

素因数の和:256516

約数の個数: 96

約数和(自身を含む): 61430353920

約数和(自身を除く): 40918270230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 127, 210, 254, 315, 381, 630, 635, 762, 889, 1143, 1270, 1778, 1905, 2286, 2667, 3810, 4445, 5334, 5715, 8001, 8890, 11430, 13335, 16002, 26670, 40005, 80010, 256369, 512738, 769107, 1281845, 1538214, 1794583, 2307321, 2563690, 3589166, 3845535, 4614642, 5383749, 7691070, 8972915, 10767498, 11536605, 16151247, 17945830, 23073210, 26918745, 32302494, 32558863, 53837490, 65117726, 80756235, 97676589, 161512470, 162794315, 195353178, 227912041, 293029767, 325588630, 455824082, 488382945, 586059534, 683736123, 976765890, 1139560205, 1367472246, 1465148835, 2051208369, 2279120410, 2930297670, 3418680615, 4102416738, 6837361230, 10256041845, 20512083690]

約数ペア:

[(1, 20512083690), (2, 10256041845), (3, 6837361230), (5, 4102416738), (6, 3418680615), (7, 2930297670), (9, 2279120410), (10, 2051208369), (14, 1465148835), (15, 1367472246), (18, 1139560205), (21, 976765890), (30, 683736123), (35, 586059534), (42, 488382945), (45, 455824082), (63, 325588630), (70, 293029767), (90, 227912041), (105, 195353178), (126, 162794315), (127, 161512470), (210, 97676589), (254, 80756235), (315, 65117726), (381, 53837490), (630, 32558863), (635, 32302494), (762, 26918745), (889, 23073210), (1143, 17945830), (1270, 16151247), (1778, 11536605), (1905, 10767498), (2286, 8972915), (2667, 7691070), (3810, 5383749), (4445, 4614642), (5334, 3845535), (5715, 3589166), (8001, 2563690), (8890, 2307321), (11430, 1794583), (13335, 1538214), (16002, 1281845), (26670, 769107), (40005, 512738), (80010, 256369)]