20406568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28031}}^1$

素因数の和:28057

約数の個数: 32

約数和(自身を含む): 47093760

約数和(自身を除く): 26687192

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28031, 56062, 112124, 196217, 224248, 364403, 392434, 728806, 784868, 1457612, 1569736, 2550821, 2915224, 5101642, 10203284, 20406568]

約数ペア:

[(1, 20406568), (2, 10203284), (4, 5101642), (7, 2915224), (8, 2550821), (13, 1569736), (14, 1457612), (26, 784868), (28, 728806), (52, 392434), (56, 364403), (91, 224248), (104, 196217), (182, 112124), (364, 56062), (728, 28031)]