20607615

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{2423}}^1$

素因数の和:2450

約数の個数: 48

約数和(自身を含む): 42352128

約数和(自身を除く): 21744513

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2423, 2835, 7269, 8505, 12115, 16961, 21807, 36345, 50883, 65421, 84805, 109035, 152649, 196263, 254415, 327105, 457947, 588789, 763245, 981315, 1373841, 2289735, 2943945, 4121523, 6869205, 20607615]

約数ペア:

[(1, 20607615), (3, 6869205), (5, 4121523), (7, 2943945), (9, 2289735), (15, 1373841), (21, 981315), (27, 763245), (35, 588789), (45, 457947), (63, 327105), (81, 254415), (105, 196263), (135, 152649), (189, 109035), (243, 84805), (315, 65421), (405, 50883), (567, 36345), (945, 21807), (1215, 16961), (1701, 12115), (2423, 8505), (2835, 7269)]