20353347

素因数分解:

$3^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1201}}^1$

素因数の和:1483

約数の個数: 24

約数和(自身を含む): 33752160

約数和(自身を除く): 13398813

約数列:

[1, 3, 7, 9, 21, 63, 269, 807, 1201, 1883, 2421, 3603, 5649, 8407, 10809, 16947, 25221, 75663, 323069, 969207, 2261483, 2907621, 6784449, 20353347]

約数ペア:

[(1, 20353347), (3, 6784449), (7, 2907621), (9, 2261483), (21, 969207), (63, 323069), (269, 75663), (807, 25221), (1201, 16947), (1883, 10809), (2421, 8407), (3603, 5649)]