20161495544

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{107}}^1\times {\mathrm{24509}}^1$

素因数の和:24684

約数の個数: 48

約数和(自身を含む): 39428256600

約数和(自身を除く): 19266761056

約数列:

[1, 2, 4, 8, 31, 62, 107, 124, 214, 248, 428, 856, 961, 1922, 3317, 3844, 6634, 7688, 13268, 24509, 26536, 49018, 98036, 102827, 196072, 205654, 411308, 759779, 822616, 1519558, 2622463, 3039116, 5244926, 6078232, 10489852, 20979704, 23553149, 47106298, 81296353, 94212596, 162592706, 188425192, 325185412, 650370824, 2520186943, 5040373886, 10080747772, 20161495544]

約数ペア:

[(1, 20161495544), (2, 10080747772), (4, 5040373886), (8, 2520186943), (31, 650370824), (62, 325185412), (107, 188425192), (124, 162592706), (214, 94212596), (248, 81296353), (428, 47106298), (856, 23553149), (961, 20979704), (1922, 10489852), (3317, 6078232), (3844, 5244926), (6634, 3039116), (7688, 2622463), (13268, 1519558), (24509, 822616), (26536, 759779), (49018, 411308), (98036, 205654), (102827, 196072)]