20155406068

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1\times {\mathrm{25471}}^1$

素因数の和:26020

約数の個数: 48

約数和(自身を含む): 41081241600

約数和(自身を除く): 20925835532

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 479, 826, 958, 1652, 1916, 3353, 6706, 13412, 25471, 28261, 50942, 56522, 101884, 113044, 178297, 197827, 356594, 395654, 713188, 791308, 1502789, 3005578, 6011156, 10519523, 12200609, 21039046, 24401218, 42078092, 48802436, 85404263, 170808526, 341617052, 719835931, 1439671862, 2879343724, 5038851517, 10077703034, 20155406068]

約数ペア:

[(1, 20155406068), (2, 10077703034), (4, 5038851517), (7, 2879343724), (14, 1439671862), (28, 719835931), (59, 341617052), (118, 170808526), (236, 85404263), (413, 48802436), (479, 42078092), (826, 24401218), (958, 21039046), (1652, 12200609), (1916, 10519523), (3353, 6011156), (6706, 3005578), (13412, 1502789), (25471, 791308), (28261, 713188), (50942, 395654), (56522, 356594), (101884, 197827), (113044, 178297)]