20900583

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 35133696

約数和(自身を除く): 14233113

約数列:

[1, 3, 9, 11, 23, 33, 67, 69, 99, 137, 201, 207, 253, 411, 603, 737, 759, 1233, 1507, 1541, 2211, 2277, 3151, 4521, 4623, 6633, 9179, 9453, 13563, 13869, 16951, 27537, 28359, 34661, 50853, 82611, 100969, 103983, 152559, 211117, 302907, 311949, 633351, 908721, 1900053, 2322287, 6966861, 20900583]

約数ペア:

[(1, 20900583), (3, 6966861), (9, 2322287), (11, 1900053), (23, 908721), (33, 633351), (67, 311949), (69, 302907), (99, 211117), (137, 152559), (201, 103983), (207, 100969), (253, 82611), (411, 50853), (603, 34661), (737, 28359), (759, 27537), (1233, 16951), (1507, 13869), (1541, 13563), (2211, 9453), (2277, 9179), (3151, 6633), (4521, 4623)]