20172457412

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1\times {\mathrm{1277}}^1$

素因数の和:1880

約数の個数: 48

約数和(自身を含む): 36260285040

約数和(自身を除く): 16087827628

約数列:

[1, 2, 4, 53, 106, 212, 269, 277, 538, 554, 1076, 1108, 1277, 2554, 5108, 14257, 14681, 28514, 29362, 57028, 58724, 67681, 74513, 135362, 149026, 270724, 298052, 343513, 353729, 687026, 707458, 1374052, 1414916, 3949189, 7898378, 15796756, 18206189, 18747637, 36412378, 37495274, 72824756, 74990548, 95153101, 190306202, 380612404, 5043114353, 10086228706, 20172457412]

約数ペア:

[(1, 20172457412), (2, 10086228706), (4, 5043114353), (53, 380612404), (106, 190306202), (212, 95153101), (269, 74990548), (277, 72824756), (538, 37495274), (554, 36412378), (1076, 18747637), (1108, 18206189), (1277, 15796756), (2554, 7898378), (5108, 3949189), (14257, 1414916), (14681, 1374052), (28514, 707458), (29362, 687026), (57028, 353729), (58724, 343513), (67681, 298052), (74513, 270724), (135362, 149026)]