20159784

素因数分解:

$2^3\times 3^2\times {\mathrm{211}}^1\times {\mathrm{1327}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 54899520

約数和(自身を除く): 34739736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 211, 422, 633, 844, 1266, 1327, 1688, 1899, 2532, 2654, 3798, 3981, 5064, 5308, 7596, 7962, 10616, 11943, 15192, 15924, 23886, 31848, 47772, 95544, 279997, 559994, 839991, 1119988, 1679982, 2239976, 2519973, 3359964, 5039946, 6719928, 10079892, 20159784]

約数ペア:

[(1, 20159784), (2, 10079892), (3, 6719928), (4, 5039946), (6, 3359964), (8, 2519973), (9, 2239976), (12, 1679982), (18, 1119988), (24, 839991), (36, 559994), (72, 279997), (211, 95544), (422, 47772), (633, 31848), (844, 23886), (1266, 15924), (1327, 15192), (1688, 11943), (1899, 10616), (2532, 7962), (2654, 7596), (3798, 5308), (3981, 5064)]