20886354

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 46837440

約数和(自身を除く): 25951086

約数列:

[1, 2, 3, 6, 9, 18, 59, 71, 118, 142, 177, 213, 277, 354, 426, 531, 554, 639, 831, 1062, 1278, 1662, 2493, 4189, 4986, 8378, 12567, 16343, 19667, 25134, 32686, 37701, 39334, 49029, 59001, 75402, 98058, 118002, 147087, 177003, 294174, 354006, 1160353, 2320706, 3481059, 6962118, 10443177, 20886354]

約数ペア:

[(1, 20886354), (2, 10443177), (3, 6962118), (6, 3481059), (9, 2320706), (18, 1160353), (59, 354006), (71, 294174), (118, 177003), (142, 147087), (177, 118002), (213, 98058), (277, 75402), (354, 59001), (426, 49029), (531, 39334), (554, 37701), (639, 32686), (831, 25134), (1062, 19667), (1278, 16343), (1662, 12567), (2493, 8378), (4189, 4986)]