20161996132484

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{20389}}^1\times {\mathrm{56923}}^1$

素因数の和:77460

約数の個数: 48

約数和(自身を含む): 36463934189760

約数和(自身を除く): 16301938057276

約数列:

[1, 2, 4, 43, 86, 101, 172, 202, 404, 4343, 8686, 17372, 20389, 40778, 56923, 81556, 113846, 227692, 876727, 1753454, 2059289, 2447689, 3506908, 4118578, 4895378, 5749223, 8237156, 9790756, 11498446, 22996892, 88549427, 177098854, 247216589, 354197708, 494433178, 988866356, 1160603047, 2321206094, 4642412188, 49905931021, 99811862042, 117220907747, 199623724084, 234441815494, 468883630988, 5040499033121, 10080998066242, 20161996132484]

約数ペア:

[(1, 20161996132484), (2, 10080998066242), (4, 5040499033121), (43, 468883630988), (86, 234441815494), (101, 199623724084), (172, 117220907747), (202, 99811862042), (404, 49905931021), (4343, 4642412188), (8686, 2321206094), (17372, 1160603047), (20389, 988866356), (40778, 494433178), (56923, 354197708), (81556, 247216589), (113846, 177098854), (227692, 88549427), (876727, 22996892), (1753454, 11498446), (2059289, 9790756), (2447689, 8237156), (3506908, 5749223), (4118578, 4895378)]