20824919619

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{487783}}^1$

素因数の和:487919

約数の個数: 32

約数和(自身を含む): 33715630080

約数和(自身を除く): 12890710461

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 749, 2033, 2247, 6099, 14231, 42693, 487783, 1463349, 3414481, 9267877, 10243443, 27803631, 52192781, 64875139, 156578343, 194625417, 365349467, 991662839, 1096048401, 2974988517, 6941639873, 20824919619]

約数ペア:

[(1, 20824919619), (3, 6941639873), (7, 2974988517), (19, 1096048401), (21, 991662839), (57, 365349467), (107, 194625417), (133, 156578343), (321, 64875139), (399, 52192781), (749, 27803631), (2033, 10243443), (2247, 9267877), (6099, 3414481), (14231, 1463349), (42693, 487783)]