20683936

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7103}}^1$

素因数の和:7133

約数の個数: 48

約数和(自身を含む): 50125824

約数和(自身を除く): 29441888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 7103, 14206, 28412, 49721, 56824, 92339, 99442, 113648, 184678, 198884, 227296, 369356, 397768, 646373, 738712, 795536, 1292746, 1477424, 1591072, 2585492, 2954848, 5170984, 10341968, 20683936]

約数ペア:

[(1, 20683936), (2, 10341968), (4, 5170984), (7, 2954848), (8, 2585492), (13, 1591072), (14, 1477424), (16, 1292746), (26, 795536), (28, 738712), (32, 646373), (52, 397768), (56, 369356), (91, 227296), (104, 198884), (112, 184678), (182, 113648), (208, 99442), (224, 92339), (364, 56824), (416, 49721), (728, 28412), (1456, 14206), (2912, 7103)]