20199892503

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1033}}^1\times {\mathrm{49009}}^1$

素因数の和:50071

約数の個数: 32

約数和(自身を含む): 32432857600

約数和(自身を除く): 12232965097

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1033, 3099, 7231, 19627, 21693, 49009, 58881, 137389, 147027, 343063, 412167, 931171, 1029189, 2793513, 6518197, 19554591, 50626297, 151878891, 354384079, 961899643, 1063152237, 2885698929, 6733297501, 20199892503]

約数ペア:

[(1, 20199892503), (3, 6733297501), (7, 2885698929), (19, 1063152237), (21, 961899643), (57, 354384079), (133, 151878891), (399, 50626297), (1033, 19554591), (3099, 6518197), (7231, 2793513), (19627, 1029189), (21693, 931171), (49009, 412167), (58881, 343063), (137389, 147027)]