20850687

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{953}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 37503648

約数和(自身を除く): 16652961

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 953, 1287, 1683, 1989, 2431, 2859, 7293, 8577, 10483, 12389, 16201, 21879, 31449, 37167, 48603, 94347, 111501, 136279, 145809, 178211, 210613, 408837, 534633, 631839, 1226511, 1603899, 1895517, 2316743, 6950229, 20850687]

約数ペア:

[(1, 20850687), (3, 6950229), (9, 2316743), (11, 1895517), (13, 1603899), (17, 1226511), (33, 631839), (39, 534633), (51, 408837), (99, 210613), (117, 178211), (143, 145809), (153, 136279), (187, 111501), (221, 94347), (429, 48603), (561, 37167), (663, 31449), (953, 21879), (1287, 16201), (1683, 12389), (1989, 10483), (2431, 8577), (2859, 7293)]