20166907376

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^3\times {\mathrm{135283}}^1$

素因数の和:135331

約数の個数: 80

約数和(自身を含む): 49117832448

約数和(自身を除く): 28950925072

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1331, 1694, 1936, 2662, 3388, 5324, 6776, 9317, 10648, 13552, 18634, 21296, 37268, 74536, 135283, 149072, 270566, 541132, 946981, 1082264, 1488113, 1893962, 2164528, 2976226, 3787924, 5952452, 7575848, 10416791, 11904904, 15151696, 16369243, 20833582, 23809808, 32738486, 41667164, 65476972, 83334328, 114584701, 130953944, 166668656, 180061673, 229169402, 261907888, 360123346, 458338804, 720246692, 916677608, 1260431711, 1440493384, 1833355216, 2520863422, 2880986768, 5041726844, 10083453688, 20166907376]

約数ペア:

[(1, 20166907376), (2, 10083453688), (4, 5041726844), (7, 2880986768), (8, 2520863422), (11, 1833355216), (14, 1440493384), (16, 1260431711), (22, 916677608), (28, 720246692), (44, 458338804), (56, 360123346), (77, 261907888), (88, 229169402), (112, 180061673), (121, 166668656), (154, 130953944), (176, 114584701), (242, 83334328), (308, 65476972), (484, 41667164), (616, 32738486), (847, 23809808), (968, 20833582), (1232, 16369243), (1331, 15151696), (1694, 11904904), (1936, 10416791), (2662, 7575848), (3388, 5952452), (5324, 3787924), (6776, 2976226), (9317, 2164528), (10648, 1893962), (13552, 1488113), (18634, 1082264), (21296, 946981), (37268, 541132), (74536, 270566), (135283, 149072)]