20068191

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 35223552

約数和(自身を除く): 15155361

約数列:

[1, 3, 9, 11, 13, 31, 33, 39, 93, 99, 117, 143, 279, 341, 403, 429, 503, 1023, 1209, 1287, 1509, 3069, 3627, 4433, 4527, 5533, 6539, 13299, 15593, 16599, 19617, 39897, 46779, 49797, 58851, 71929, 140337, 171523, 202709, 215787, 514569, 608127, 647361, 1543707, 1824381, 2229799, 6689397, 20068191]

約数ペア:

[(1, 20068191), (3, 6689397), (9, 2229799), (11, 1824381), (13, 1543707), (31, 647361), (33, 608127), (39, 514569), (93, 215787), (99, 202709), (117, 171523), (143, 140337), (279, 71929), (341, 58851), (403, 49797), (429, 46779), (503, 39897), (1023, 19617), (1209, 16599), (1287, 15593), (1509, 13299), (3069, 6539), (3627, 5533), (4433, 4527)]