20538468

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10009}}^1$

素因数の和:10041

約数の個数: 48

約数和(自身を含む): 56056000

約数和(自身を除く): 35517532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10009, 20018, 30027, 40036, 60054, 90081, 120108, 180162, 190171, 270243, 360324, 380342, 540486, 570513, 760684, 1080972, 1141026, 1711539, 2282052, 3423078, 5134617, 6846156, 10269234, 20538468]

約数ペア:

[(1, 20538468), (2, 10269234), (3, 6846156), (4, 5134617), (6, 3423078), (9, 2282052), (12, 1711539), (18, 1141026), (19, 1080972), (27, 760684), (36, 570513), (38, 540486), (54, 380342), (57, 360324), (76, 270243), (108, 190171), (114, 180162), (171, 120108), (228, 90081), (342, 60054), (513, 40036), (684, 30027), (1026, 20018), (2052, 10009)]