20171676868

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1\times {\mathrm{16619}}^1$

素因数の和:17344

約数の個数: 48

約数和(自身を含む): 41011246080

約数和(自身を除く): 20839569212

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 647, 938, 1294, 1876, 2588, 4529, 9058, 16619, 18116, 33238, 43349, 66476, 86698, 116333, 173396, 232666, 303443, 465332, 606886, 1113473, 1213772, 2226946, 4453892, 7794311, 10752493, 15588622, 21504986, 31177244, 43009972, 75267451, 150534902, 301069804, 720417031, 1440834062, 2881668124, 5042919217, 10085838434, 20171676868]

約数ペア:

[(1, 20171676868), (2, 10085838434), (4, 5042919217), (7, 2881668124), (14, 1440834062), (28, 720417031), (67, 301069804), (134, 150534902), (268, 75267451), (469, 43009972), (647, 31177244), (938, 21504986), (1294, 15588622), (1876, 10752493), (2588, 7794311), (4529, 4453892), (9058, 2226946), (16619, 1213772), (18116, 1113473), (33238, 606886), (43349, 465332), (66476, 303443), (86698, 232666), (116333, 173396)]