20033552

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 51907392

約数和(自身を除く): 31873840

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 49, 56, 77, 88, 92, 98, 101, 112, 154, 161, 176, 184, 196, 202, 253, 308, 322, 368, 392, 404, 506, 539, 616, 644, 707, 784, 808, 1012, 1078, 1111, 1127, 1232, 1288, 1414, 1616, 1771, 2024, 2156, 2222, 2254, 2323, 2576, 2828, 3542, 4048, 4312, 4444, 4508, 4646, 4949, 5656, 7084, 7777, 8624, 8888, 9016, 9292, 9898, 11312, 12397, 14168, 15554, 16261, 17776, 18032, 18584, 19796, 24794, 25553, 28336, 31108, 32522, 37168, 39592, 49588, 51106, 54439, 62216, 65044, 79184, 99176, 102212, 108878, 113827, 124432, 130088, 178871, 198352, 204424, 217756, 227654, 260176, 357742, 408848, 435512, 455308, 715484, 871024, 910616, 1252097, 1430968, 1821232, 2504194, 2861936, 5008388, 10016776, 20033552]

約数ペア:

[(1, 20033552), (2, 10016776), (4, 5008388), (7, 2861936), (8, 2504194), (11, 1821232), (14, 1430968), (16, 1252097), (22, 910616), (23, 871024), (28, 715484), (44, 455308), (46, 435512), (49, 408848), (56, 357742), (77, 260176), (88, 227654), (92, 217756), (98, 204424), (101, 198352), (112, 178871), (154, 130088), (161, 124432), (176, 113827), (184, 108878), (196, 102212), (202, 99176), (253, 79184), (308, 65044), (322, 62216), (368, 54439), (392, 51106), (404, 49588), (506, 39592), (539, 37168), (616, 32522), (644, 31108), (707, 28336), (784, 25553), (808, 24794), (1012, 19796), (1078, 18584), (1111, 18032), (1127, 17776), (1232, 16261), (1288, 15554), (1414, 14168), (1616, 12397), (1771, 11312), (2024, 9898), (2156, 9292), (2222, 9016), (2254, 8888), (2323, 8624), (2576, 7777), (2828, 7084), (3542, 5656), (4048, 4949), (4312, 4646), (4444, 4508)]