20342565

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6367}}^1$

素因数の和:6449

約数の個数: 24

約数和(自身を含む): 35762688

約数和(自身を除く): 15420123

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 6367, 19101, 31835, 57303, 95505, 286515, 452057, 1356171, 2260285, 4068513, 6780855, 20342565]

約数ペア:

[(1, 20342565), (3, 6780855), (5, 4068513), (9, 2260285), (15, 1356171), (45, 452057), (71, 286515), (213, 95505), (355, 57303), (639, 31835), (1065, 19101), (3195, 6367)]